Introduction to Human Anatomy and Physiology
Characteristics of Life Levels of Organization Body Cavities Organ Systems Anatomical Terminology
Characteristics of Life Levels of Organization Body Cavities Organ Systems Anatomical Terminology
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Flashcards
Define:
Movement
- self initiated change in position, motion of internal parts
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Responsiveness (irritability)
Ability to sense changes within, or around the organism and react to them
Define:
Growth
- increase in body size
Define:
Reproduction
- parents production offspring? producing new indivisual
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Respiration
- obtaining oxygen (O2), using it to release energy from food substances, and getting rid of wastes
Define:
Digestion
- chemically changing (breaking down) food substances, and getting rid of wastes
Define:
Absorbtion
- passage of digested products (food substances) through membranes and into body fluids
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Circulation
- movement of substances throughout body
Define:
Assimilation
- changing absorbed substances into chemically different sustances
Define:
Excretion
- removal of wastes
What is "metabolism"?
- all physical and chemical changes occurring in an organism
What does "life" need?
- regulated water, food, oxygen, heat, and pressure
What is 'homeostasis'?
- tendency of the body to maintain a stable, balanced internal environment; accomplished through self regulating adjustments
