Survival Needs Flashcards
0
Q
Oxygen
A
Essential to energy release
- ATP production
1
Q
Nutrients
A
- chemicals for energy & cell building
- carbohydrates, fats, proteins, minerals & vitamins
2
Q
Water
A
Most abundant
- site chemical reactions
- occurs in liquid or water setting
3
Q
Normal body temperature
A
37 •C
98.6 •F
4
Q
Homeostasis
A
(Nerves, brain, spine, & hormones)
Maintain a stable internal environment despite out side changes
-Ex: insulin (sugar) can’t be too high can’t be too low
5
Q
1.) stimulus
A
Change in variable
6
Q
2.) receptor
A
Detects changes
7
Q
3.) input
A
Info sent along along afferent pathway to CONTROL CENTER
8
Q
4.) output
A
From control center Info sent along efferent pathway to effector
9
Q
5.) response
A
Effector, feeds back to reduce the effects of stimulus and returns variable to homeostatic