Physiology personal statement example

Why do you want to study this course or subject?

What draws me to physiology is that it explains the body as a set of systems under constant negotiation. In my AS Biology course we measured our own heart rates recovering after step-ups, and I was struck less by the numbers than by the question underneath them: how does the body know how hard to push the heart, and how does it decide when to stop? Learning about baroreceptors and the autonomic nervous system gave me part of an answer, and made me want the rest. I enjoy the fact that physiology sits between the molecular detail of biochemistry and the whole-person questions of medicine, and that it is measured rather than only described. Reading Gina Rippon and later parts of Nick Lane's Transformer showed me how much of metabolism is still argued over, which I found reassuring rather than off-putting; it suggested a subject with work left in it. I am particularly interested in respiratory and exercise physiology, partly because of my own swimming, where I have noticed how differently my breathing behaves in a hard set compared with a long steady swim. I want a degree with laboratory work at its centre, where I can learn to use techniques like spirometry, ECG and muscle preparations properly rather than as demonstrations, and where I can build up the statistics and experimental design needed to interpret physiological data honestly. In the longer term I am considering clinical physiology or research, and I would like the first years of a degree to test that interest properly rather than settle it too early.

How have your qualifications and studies helped you to prepare?

My A levels in Biology, Chemistry and Psychology work together more closely than I expected. Biology has given me the core systems: I wrote coursework on the effect of temperature on enzyme activity, which taught me how quickly a neat hypothesis becomes complicated once you are dealing with real repeats, pipetting error and a water bath that drifts. Chemistry has been the most demanding subject and probably the most useful, because buffers, equilibria and partial pressures keep reappearing in physiology. When I met the oxygen dissociation curve and the Bohr shift, the chemistry of carbon dioxide and pH made the shape of the curve feel like a consequence rather than a fact to memorise. Psychology has trained me in study design and statistics, particularly the difference between correlation and causation and the reasons for control conditions, and it has given me some grounding in the nervous system and in reading papers critically. Outside the syllabus I attended a series of free online public lectures on the physiology of altitude and have been working through the cardiovascular and respiratory chapters of a first-year human physiology textbook borrowed from the college library, taking notes on the parts I cannot yet follow, such as ventilation-perfusion matching. I also completed an extended project style piece for college on whether high intensity interval training suits sedentary adults, which involved reading review articles and learning to be careful about small sample sizes and self-reported data.

What else have you done to prepare outside of education, and why are these experiences useful?

For the past nine months I have volunteered on Tuesday evenings at a cardiac rehabilitation exercise class at my local leisure centre. My role is a helper: I set out equipment, welcome people, record attendance and hand the instructor the resting heart rate and blood pressure readings that participants and staff take, then make tea afterwards. I do not give advice or make decisions, but I have learned a great deal by listening. Seeing someone use the Borg scale to describe how hard they are working, and watching the instructor adjust a session because a participant reported feeling unusually breathless, showed me physiology being applied cautiously and with judgement. It also improved how I talk to people much older than me. Through a college scheme I spent three supervised mornings observing in a hospital respiratory physiology department. I sat in on lung function tests, watched how carefully patients were coached to blow into a spirometer, and had a trace explained to me afterwards. I asked why one patient's results were repeated, and the answer, that effort-dependent measurements need consistency before they mean anything, has stayed with me. I only observed, but it confirmed that I want work built on measurement. Swimming three times a week has taught me to train consistently when results are slow, and my Saturday job in a bakery, serving customers and handling early starts and stock lists, has made me reliable under pressure. I also help my grandmother with shopping and getting to appointments, which means planning my week carefully and keeping commitments I have made to other people.

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