human physiology
How bodies work
Human physiology is the scientific study of how the human body functions—how organs, tissues, and cells work individually and together to sustain life.
It examines processes like respiration, circulation, digestion, and neural signaling: She studied human physiology before medical school.
The term also refers to these bodily functions themselves: Marathon running pushes human physiology to its limits.
- digestive systemOrgans processing ingested food
- gut feelingInstinctive sense about something
- circulatory systemHeart, vessels, blood together
- respiratory systemOrgans facilitating breathing
- bloodBody's oxygen carrier
red blood cells · nerve · nerve impulse · skin · body temperature · nervous system · brain waves · neurotransmitters · homeostasis · electrolyte balance · gas exchange · oxygen levels · cell membrane · endocrine system · neurons · immune system · bone · muscle memory
- anatomybrain, heart, bones, liver, stomach
- natural historynatural history, natural history museum, naturalist, naturalists, natural philosophers
- physiologymetabolism, circulation, respiration, homeostasis, digestion
human physiologyforensic pathology
Medical death investigation
thanatology · inorganic chemistry · postmortem analysis · histopathology · mineralogy
human physiologyhuman anatomy
Study of body structure
gross anatomy · morphology · histology · cytology · skeletal anatomy