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dorsal cavity (both sub div.)

cranial- brain ; spinal- enclosing spinal cord

ventral (1st sub div)

thoracic cavity- heart, lungs, and large blood vessels that join heart.

ventral (2nd sub div)

abdominopelvic cavity- divided into 2 regions
1-abdominal- stomach, intestine, liver, gallbladder, pancras, spleen.
2- pelvic- urinary bladder, rectum, internal parts of reproduction system.

define anaerobic

not requiring oxygen

define aerobic

requiring oxygen

define anatomy

the structure of the body

define physiology

the function of the body

define metabolism

all physical and chemical processes by which an organism is maintained.

define catabolism

breakdown of substances into simple compounds, includes digestion of food and oxygen of nutrient molecules for energy.

define anabolism

building of simple compounds into more complex substances needed by the body.

define negative feedback

main methods of maintaining homeostasis. actions are reversed back to normal.

define positive feedback

promotes more of the same action to occur.

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