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7 September 2023

6 min read

The heart of the matter

Heart doctor Michael Henein steps back to consider the unseen and unique wonders of the human body’s design.

Michael Henein

Professor Michael Henein is a consultant cardiologist, and a Professor of Cardiology at Umea University, Sweden.

A model of a human heart on a short stand.

Photo by Jesse Orrico on Unsplash.

Shakespeare famously asked:

“What a piece of work is a man, how noble in reason, how
infinite in faculties, in form and moving how express and admirable, in action how like an angel, in apprehension how like a god! the beauty of the world, the paragon of animals—and yet, to me, what is this quintessence of dust?

Humans may be complex, capable of great heroism and deep depravity, yet it is worth stopping for a moment to look at the human body and mind to marvel in what we have become, and how we are made.

The visible design of the human body points out common features shared along with other members of the animal kingdom. Examples of these features are: two eyes, two ears, two nostrils, one mouth and four limbs, attached to a body and head. Detailed study of different seen parts of the body may, however, show some differences. For example, the presence of fingers and nails, hair distribution as well as a developed tail. While most members of the animal kingdom have teeth and a tongue, those two could also vary in their number and size, respectively, according to different species. Genetic investigations have shown that we humans share 99 % of our genes with animals, suggesting that our “earthly” component shares a common origin. Indeed, the twenty first century scientific findings match what is written in the Genesis story of creation, a story written over 3,500 years ago, well before genetic sciences came to light.

Creatures great and small

As for morphological differences between animal species, it is difficult to naively conclude why some are wild while others are man-friendly-even if the wild ones have different shapes, design, dietary habits, body size and life span. Other important observed features of the members of the animal kingdom are that they are all born, they all age, then ultimately die.

If we are to look at the unseen features of the members of the animal kingdom, we can again identify similarities. For example, all have a gastrointestinal tract, a cardiovascular system, a reproductive system, a respiratory system, a urinary system and much more. While these systems may differ slightly between species, the overall structure and function achieve similar purposes. For example, heart speed is faster in small animals like rats compared to big ones like elephants who have very slow hearts. Likewise, the respiratory system and the number of respiratory cycles per minute are significantly faster in running animals compared to the sedentary and slowly moving ones. Finally, the number of offspring also differs in different species, being just one at a time in big animals like elephants and horses, and many offspring in small animals like rabbits and mice. Such paradox between the number of offspring and animal size makes you think of the important determining role of the activity of those animals.

Unseen wonders

Now to turn to the rest of the animal kingdom and the unseen features of the human body. To start, let us look at the amazing functions of the human brain and its various functions. When humanity is sometimes described as the crown of creation, such a description is based on the superiority of human brain function and skills. Its sophisticated structure and how vital centres are created deep in the skull, to be protected from traumas, make you marvel. Also, the brain controls the different functions of the whole body, with its sensory and motor activities, various vital system functions including the lungs and the heart, all endocrine glands’ function, in addition to various receptors and centres that allow utmost precision and accuracy in everything we do. An example of this kind of precision is a doctor feeling a vein or an artery with the tip of a finger to insert a needle or a musician moving a finger a few millimetres while playing a violin, to produce the exact sound needed. Furthermore, the integrated function of human muscles, nerves and spinal cord is also amazing, let alone the synapsis between the nerve endings and muscle bundles, the chemicals secreted in them which allow electric stimulus transmission from the nervous system to achieve the motor function and desired movement.

The human brain also has the unique feature of storing knowledge. Of course, we should not ignore the importance of the training and programming ability of human brain. We learn how to drive a car, how to play games, how to study, how to operate safely on a sick patient. Such acquired skills are quite limited in other members of the animal kingdom. Moreover, the human brain has the unique ability to invent, discover, improve and correct errors it identifies.

Another very unique feature of human brain is its ability to conduct speech, a feature of humans that is under-developed in other members of the animal kingdom. While most animals can make noise and sounds, only humans can articulate words, sentences and even sing very complex songs. This unique ability seems to be the underlying mechanism behind the development of languages which are based on the human ability to talk and transmit information and knowledge by words and phrases.

The unseen brain has allowed human life to develop over time, building skills and achievements from generation to generation. Millennia ago, humans lived in huts together with animals, and now they build houses and palaces to live in. Centuries ago, we used donkeys, horses and camels to travel but now we use cars, trains, ships and airplanes. Our ancestors burned wood and coal to cook and to warm but now we use electricity to do these.

When we look carefully at the unseen parts of the human body, we also realize that we cannot alter any of it, despite the scientific advances made over the years. We can understand what harms our body and take measures to avoid it. Out of the ability of our brain to discover and invent, we have now produced science-based means for curing various diseases. Consider how we can replace a dysfunctional heart valve or a mobility-limiting joint. These inventions have resulted in a better quality of life, alleviating of symptoms, even helping to avoid early death, in some cases such as heart disease and cancer.

The heart of the matter

Another unseen source of life in humans is the heart. This fist-size organ is so complex in its structure and function. Recent scientific advances have enabled us to study heart function in milliseconds, hence the development of pacemaker treatments. They have also allowed clear imaging of the inside of the heart and the identification of pathologies, developments that guide practitioners to the optimum treatment of heart conditions. Recent discoveries have also allowed us to better understand how people develop coronary artery disease and how the pathology starts at the innermost layer of the arteries, particularly in individuals carrying significant risks for atherosclerosis including, smoking, high blood pressure, diabetes, high cholesterol and obesity. Amazingly, obesity has been shown to be the strongest underlying cause of other risk factors, hypertension, diabetes and hypercholesterolemia. So, nature cannot be blamed in many of these patients but our own patterns of behaviour. Science has shown that walking at least 5,000 steps each day, complying with the design of our body, reduces the likelihood of developing coronary artery disease by 15 per cent.

The unseen physiology of the rest of our body systems and the interaction between systems make us wonder how we are made. A rise of our body temperature by one degree due to a bug infection affects all body systems from the brain to the heart. A virus which cannot be seen by the most powerful microscope can destroy our lungs and cause premature death, as was the case with COVID-19 and others.

Finally, human inventions in the form of powerful microscopes have allowed scientists to study the human cell, which is the smallest living component of our body. Such small cells cannot be replicated in any factory in the twenty-first century, despite the vast scientific developments that surround us. You'll be surprised to learn how complicated and meticulously fine-tuned a human cell is and also how it functions, connects with other cells and other parts of the body. An example of this is the interaction between body minerals, calcium, sodium and potassium with heart and muscle individual cells. Such a function is critically controlled by many factors such as time, electric stimulation and pressure differences producing remarkably harmonious contractions and relaxation of the muscles without missing a beat.

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28 July 2024

8 min read

Paris 2024 and Christianity’s opening ceremony

A subversive Olympic opening relies on Christianity’s own beginnings.

Tim May

Tim is an associate vicar of King’s Cross Church (KXC), a London-based Anglican church.

A painting of the Last supper showing Christ and the disciples at a table.

da Vinci's Last Supper.

Public domain, via Wikimedia Commons.

The opening ceremony of the 2024 Paris Olympic Games, held on the River Seine, has unsurprisingly caused controversy. Such moments, where one nation through pageantry and spectacle performs itself to all others, never fail to draw comment. The 2024 ceremony has drawn various detractors, not least those claiming the ceremony was an “attack on Christianity.”

You might remember the masterful opening to the London 2012 games. Director Danny Boyle’s theatrical spectacle told a symbolic story of nationhood. By depicting the bucolic, the industrial, and the NHS, he considered the UK in both dark moments and at its brightest. With a great exhibition of British humour, James Bond appeared to parachute out of a helicopter with HRH Queen Elizabeth II, while Mr Bean entertained the whole wordlessly through sardonic single-finger piano playing.

Widely held to be a creative triumph, Boyle was preceded by the Beijing Olympics where its opening ceremony, CGI fireworks put to one side, wowed the world with unprecedented size and scale, reminding us that we live in an era of Chinese power.

Tokyo 2021, delayed by a year due to the Covid-19 pandemic, involved 1,800 drones filling the skies – a faultless demonstration of a technological age where Japanese engineering has been indispensable.

The sporting side of things was easily forgotten as we witnessed an emphatically kitsch depiction of French history and culture.

In 2024 Paris, the weather was perhaps the greatest focus of attention, which suited the British commentary perfectly. We Brits surely are the world experts in making light-entrainment out of describing rain. Soggy athletes sailed the Seine on a variety of uninspiring looking barges. Sanguine but soaked, the athletes dutifully waved and smiled; adorned not in gold, silver or bronze but flimsy ill-fitting plastic ponchos.

Overshadowing this athletes’ parade were the creations of theatre director Thomas Jolly, mastermind of the whole ceremony. Boldly deciding to choose the city as a stage, rather than make use of the conventional choice of a stadium, the sporting side of things was easily forgotten as we witnessed an emphatically kitsch depiction of French history and culture.

Although the weather somewhat thwarted proceedings, it was the content of the performance that drew criticism.

Far-right politicians decried Jolly’s offering as a violation of French nationhood. Conservative pundits focused their criticism on Jolly’s elevation of LGBTQIA+ culture.

Christian commentators have, with various degrees of rancour, condemned a strange scene where Leonardo da Vinci’s famous painting of the Last Supper was subverted by a pastiche of ostentatiously queer characters. At the centre of which was not Jesus Christ but a robust-looking figure resembling Lady Liberty.

Elon Musk spoke up in protest too, posting that it was ‘extremely disrespectful to Christians.’ Full-throttled cries of blasphemy resound, and probably for good reason. What we witnessed was Christ being usurped and replaced by the insurgency of self-expression and the currently sacred idea of diversity and inclusion.

Ahead of the ceremony, Jolly told British Vogue about the heart behind his creation: “there is room for everyone in Paris. Maybe it’s a little chaotic, it’s true, but that allows everyone to find a place for themselves.” The opening ceremony will be a success, Jolly says, “if everyone feels represented in it.”

I guess this isn’t the case for the thirty per cent of the world who would identify as Christian. That’s because every family and flavour of Christianity would recognise that Holy Communion, the central act of Christian Worship for 2000 years, the institution of which is depicted in da Vinci painting, was being publicly and globally vandalised.

When Christianity becomes moral wallpaper to an entire civilisation and its culture, it unsurprisingly becomes a target for satire.

How can we make sense of this moment? Is there anything more for the Christian to contribute other than indignation or outrage?

Whenever something like this occurs it reminds me of the central role Christianity has played in Western culture. The intelligibility of the ceremony’s controversial scene rests on the idea that da Vinci’s painting is a globally recognised symbol. Otherwise, we would have just been watching a really strange dinner party with no food. But with Da Vinci’s famous painting in our mind the subversive power of Jolly’s scene hits hard.

The view, popularised by the historian Tom Holland among others, would go as far as to suggest that Christianity’s effect on Western culture is so pervasive that even moments of protest and subversion, as we saw in the Paris ceremony, are cultural phenomena inherited from the Protestant Reformation. Regardless of how far you agree with Holland’s thesis, Jolly's subversion only makes sense because of the dominant role Christianity has played in shaping the western imagination, and that is a position of latent power that should cause pause for reflection.

I’ve read half a dozen articles from a certain sort of right-wing journalist who parrot thoughts like, “they wouldn’t do that with the Quran”. That might be right, but it fundamentally misses the point. Blasphemy, let’s say, in Iran, would certainly not involve the Last Supper.

The scene made sense only because of Christianity’s now diminishing position of power but it's a position of power, nonetheless. When you align Jesus Christ with the status quo, with the corridors of power, when Christianity becomes moral wallpaper to an entire civilisation and its culture, it unsurprisingly becomes a target for satire. Especially for anyone or any group that feels persecuted or marginalised. I’m not for a moment defending what Jolly did but trying to understand why it happened.

The last supper, the meal Jesus shared with his friends the night before his crucifixion, was the opening ceremony of Christianity.

The kind of cultural power Christianity has had in the West comes at the cost of clarity because Christianity was itself originally a counterculture. Crucifixion, a supreme act of imperial domination, became the foundation of Christian thought and ultimately its greatest symbol. The original Christian movement was seen itself to be blasphemous for contradictory reasons by both the Jewish and Roman religious leaders of the time.

The fundamental difference between Christianity and merely holding conservative values that should not be transgressed, is God. It was genuine belief in Jesus Christ as the long-awaited messiah of the Jewish people and the Saviour of the whole world - a belief that led his first bedraggled and bewildered disciples to live in such radical and counter-cultural ways that many were killed by the Roman Empire.

It is right for his followers today to speak up and say how wrong it is when the special and sacred things he did for them are yet again trampled on in public, but it's also worth remembering that’s how the story started - with Jesus’ body brutalised and broken. That somehow, in moments like this, we miss the power of Jesus when we simply defend him on grounds of “decency” and “respect.” Instead, if we return to the original events themselves, Jolly’s depiction, in its mockery and subversion, actually reveals the power of The Last Supper.

Da Vinci’s painting was not intended for a gallery but was originally painted on the wall of a fairly obscure monastery, transported to a gallery years later to become primarily art, it is more a foundational aid to the faithful to remember the original events Da Vinci is depicting.

The last supper, the meal Jesus shared with his friends the night before his crucifixion, was the opening ceremony of Christianity. Every time a Christian takes Holy Communion - the central act of Christian worship for over 2,000 years - they remember the opening ceremony where:

“Jesus took bread, and when he had given thanks, he broke it and gave it to his disciples, saying, “Take and eat; this is my body.” Then he took a cup, and when he had given thanks, he gave it to them, saying, “Drink from it, all of you. This is my blood of the covenant, which is poured out for many for the forgiveness of sins”

The most peculiar part of the opening ceremony of Christianity - more peculiar than any sight we saw last night - is the presence of Judas. The biblical accounts describe Jesus’ knowledge of Judas’ intentions to betray him to the Romans, and yet Judas is still welcome to the table. If there’s space for Judas, then there is space for all of us. The opening ceremony Christianity cannot be remembered without the presence of Judas the betrayer, and Peter the coward or Thomas the doubter. The great irony and the big mystery of the Christian Faith is that you can’t out-sin grace. You can mock it and subvert it, but Christ died for the ungodly.

Last night’s scene doesn’t come close to the original events. Not only was Jesus betrayed by his friends, he was then tortured, humiliated and executed publicly in just about the most excruciating way humans have devised. That was blasphemy of another level, but it was also victory because God was choosing to love inclusively beyond any human metric.

Tom Holland may be right that no part of western culture has escaped Christian influence, but I want more than a little downstream influence.

This means that there’s nothing more inclusive than the opening ceremony of Christianity and yet, at the same time, nothing more exclusive. It is not us who provide the food but God. In Jolly’s performance, the Last Supper scene was concluded by the French actor Philippe Katerine, emerging painted head to toe in blue. Whilst this bearded smurf caused baffled sniggers across the planet, Katherine was apparently representing Dionysius, The Greek god associated with wild drunken parties. The food on offer by Jolly is wild desire and self-expression. In Christianity the food is God himself, his body and his blood. God’s love is given not simply expressed, even to those who will betray him.

Moments like this will become harder for Christians to navigate. It feels like just as a wave of secular liberalism wants to finally vanquish the power position Christianity has painted for centuries, a new conservative vanguard of resistance is rising to protect or enrol it for its own means. From the mouth of Modi or in Trump’s tirades, a new religiously armed populism is raging. Tom Holland may be right that no part of western culture has escaped Christian influence, but I want more than a little downstream influence.

Take us back to the opening ceremony, to the foundation of Christian faith. Take us to the waterfall, where the torrent flows straight down from the mountain, and save us from the slow-moving sludge of the wide river downstream. Take me back to the opening ceremony of Christianity. To the table where God welcomes a Judas like me, to the meal where the master became a servant and washed his followers' feet. Take me back to eat food I could never afford and wine I could not create.