Physiology
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Physiology is the scientific study of functions and mechanisms in a living system. As a subdiscipline of biology, physiology focuses on how organisms, organ systems, individual organs, cells, and biomolecules carry out chemical and physical functions in a living system. According to the classes of organisms, the field can be divided into medical physiology, animal physiology, plant physiology, cell physiology, and comparative physiology.
Oil painting depicting Claude Bernard, the father of modern physiology, with his pupils
Plant physiology
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Plant physiology is a subdiscipline of botany concerned with the functioning, or physiology, of plants.
A germination rate experiment
Latex being collected from a tapped rubber tree.
Anthocyanin gives these pansies their dark purple pigmentation.
A mutation that stops Arabidopsis thaliana responding to auxin causes abnormal growth (right)