define human physiology and human digestive system
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Explanation:
Physiology is the scientific study of functions and mechanisms in a living system. As a sub-discipline of biology, physiology focuses on how organisms, organ systems, individual organs, cells, and biomolecules carry out the chemical and physical functions in a living system.
Answer:
Physiology is the study of how the human body works. It describes the chemistry and physics behind basic body functions, from how molecules behave in cells to how systems of organs work together. It helps us understand what happens in a healthy body in everyday life and what goes wrong when someone gets sick.
The digestive system is the parts of the body that digest food; it is also called the gastrointestinal system. It breaks down food into simple chemicals which can be absorbed into the blood stream. From the blood stream, nutrients go first to the liver, which is a kind of chemical factory for the body.
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