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Evolution is the changes in the proportions of biological types in a population over time. It is the changes that happens over the years.

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Genetics is the scientific study of genes and heredity of how certain qualities or traits are passed from parents to offspring as a result of changes in DNA sequence.

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Physiology is the study of the structures function. It focuses in how and why this particular part of the body works.

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What do physiologists do?

All over the world, physiologists are working in universities, in research institutions, in biotechnology companies and in the pharmaceutical industry to advance our understanding of how the body functions. Physiology is an exciting and dynamic discipline that underpins translational and clinical medicine. It also provides the interface between the physical sciences and the life sciences.

Physiologists study every aspect of the way human and other animal bodies work. Some physiologists investigate the behaviour of individual proteins in single cells. Others are researching the interaction of cells in tissues, organs and systems or study the integration of these systems to control the whole complex organism. This work provides the foundation for many biological and clinical sciences, including medicine and veterinary science.

Not all physiologists are found in research laboratories, though. Physiologists also work with patients in hospital clinics, helping with the diagnosis and management of disease. They work alongside elite athletes, helping to improve their performance and avoid injury, or they investigate how the body adapts to extreme environmental challenges, such as deep sea diving or prolonged space flight. Physiology is recognised globally. Physiologists can travel the world to conferences and meetings to present their findings to other scientists. Some physiologists report scientific developments for newspapers, journals and other media, or play an advisory role to Government or charitable organisations. Physiologists also use their skills in the legal arena, engaging in complex issues of patent law, or in education, inspiring and nurturing the next generation. Studying physiology opens doors to employment in all these areas and more. For more information about the range of careers and skills you can develop through a physiology degree, click here.
Explore physiology

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What is physiology? What do physiologists do? Physiology teaches us how the body works and underpins medicine. Discover why it is the science of life.

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Anatomy is the study of the structure of a living organism and their respective parts.

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It is the branch of biology that studies the morphology, ecology, genetics and biochemistry of bacteria.

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A branch of biology that specializes in studying the biology of viruses.