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Chapter 40: Homeostasis

Terms in this set (214)

Paula Radcliffe
Favorite Paula Radcliffe collapsed as her body temperature rose above normal 6 km from the finish in the women's 2004 Olympic marathon in Athens on a hot and humid day
traditional physiology
the study of organs and organ systems
modern physiology
spans biology from physiological ecology to biochemistry and molecular biology

center of biological disciplines; integrates
why study non-human, non-mammalian species?
to gain evolutionary perspective

basic knowledge of how nature works

comparative physiology
Krogh Principle
for every physiological problem, there is an animal optimally suited to yield an answer

Danish physiologist

optimal animal: i.e. giant axons of squid, polar population for low temperature, desserts for high temperature/dry conditions, size of animal, etc.
Your Inner Fish
evolution: muscles move, connections to CNS remain the same and begin to cross

easier to understand human anatomy if you understand fish anatomy first
Barbara McClintock
won 1992 Nobel Prize for work on transposons and jumping genes
organ systems
-nervous system
-endocrine system
-muscle
-skeletal
-reproductive
-digestive
-respiratory
-circulatory (cardiovascular)
-excretory
-lymphatic
-immune
-skin
tissues
cells grouped together with the same characteristics or specializations
four basic types of tissue
-epithelial
-connective
-muscle
-nervous
organ
composed of tissues, most include all four tissue types

a discrete structure that carries out a specific function in the body
epithelial cells
absorption of sugars/peptides into the body
composition of the small intestine
epithelial cells in the small intestine
line the digestive tract

-some secrete digestive juices
-some secrete hormones
-some absorb nutrients
smooth muscle layers in the small intestine
move food through the gut
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