heart

Not Just a Pump: Rethinking the Heart

Most of us grew up being told the heart’s main job was mechanical, a simple pump pushing blood through the body. But modern science is beginning to suggest something far more intriguing. The heart may not only be a physical mechanism. It may also be a guiding organ, shaping flow, rhythm, and even emotion.

Cracks in the Pump Model

Most doctors still describe the heart in purely mechanical terms, but some researchers are offering a different view. Branko Furst, Professor of Anesthesiology at NY Medical College, argues in The Heart and Circulation: An Integrative Model that the heart cannot create enough pressure to push blood through 60,000 miles of vessels. Instead, he suggests that blood has its own natural movement, and that the heart’s role is to regulate and resonate with that flow.

Franz Neser and Gerald Pollack describe the heart as a vortex generator, shaping blood into spirals and whorls rather than forcing it along. Thomas Cowan, in Human Heart, Cosmic Heart, draws on embryology to show how the heart forms from a spiralling tube folding in on itself. From this perspective, what we call “pumping" is really the heart listening and responding to the inherent movement of blood, orchestrating rhythm instead of driving it.

The Little Brain in the Heart

The HeartMath Institute has shown that the heart contains its own network of about 40,000 neurons. This “little brain" communicates constantly with the head brain. The heart also generates the largest electromagnetic field of any organ in the body. This field can be measured several feet away and can influence our emotional state, our sense of coherence, and even the nervous systems of people nearby.

Biochemistry and Emotion

Biochemistry also tells us the heart is more than a mechanical device. While most serotonin is made in the gut, researchers have found serotonin receptors and signalling molecules in the heart itself. This hints at subtle roles in mood, perception, and regulation.

From Science to Practice

In my work with Craniosacral Therapy and coaching, these ideas come alive. When a client lies on the table in CST, beyond the heartbeat itself, there is often a palpable sense of the heart field: how open it is, what it is carrying. As the body settles and coherence arises, the heart field opens, and almost always this is the moment when something important is spoken or released.

In coaching the heart is equally central. When I rest into my own heart space, I listen differently. Insights come not only from the mind but also from a deeper intelligence that holds strength, flow, and compassion. Questions asked from this place connect us with a client’s highest self - the part of them that already knows and accepts who they are.

The heart is at the core of what it means to be human. We all know this in the joy of falling in love, in being moved by beauty, and in the deep ache of heartbreak. Our language remembers it too: open-hearted, stony-hearted, cold-hearted. These are not abstract images but descriptions of a real, felt sense. When clients open to that space, something shifts. What is being held can clear. Beneath it, wisdom and knowing emerge, along with a sense of rightness, connection, clarity, and hope.

Living from the Heart

What does this mean for us? It means that when we bring awareness to the heart - through touch, breath, or stillness - we are entering into a conversation with a deeper intelligence.

Living from the heart brings qualities that many of us long for. There is a greater ease and compassion, both for ourselves and for others. Life feels more connected, more spacious, and more alive. Decisions made from the heart tend to have a different quality: less driven by fear or habit, and more aligned with what feels deeply true. In this place we often discover a quiet joy, a sense of coherence, and an ability to meet life with courage and tenderness.

An Invitation

So perhaps the heart is not only a mechanism, but a lantern of connection. A guide for coherence, a centre of wisdom, and a reminder that we are always more than mechanical parts.

For me, living from the heart has meant listening more deeply, trusting more fully, and discovering a richer way of being with myself and with others. My invitation to you is to try it for yourself. Place your attention on your heart, listen to what arises, and notice what changes. You may find, as I have, that the heart has more to teach us than we ever imagined.