environment and cell type stuff- Chapter 3 Flashcards
1
Q
physiological environment
A
internal conditions that optimize individual cell functions and body organization
2
Q
internal environment
A
conditions within the cell
3
Q
external enviroment
A
conditions outside the cell
4
Q
dehydration
A
state in which body tissues are deprived of water
5
Q
specific heat
A
heat energy required to raise the temperature of a substance
6
Q
catalysts
A
chemicals that start chemical reactions in the body
7
Q
endergonic
A
chemical reactions that use energy
8
Q
exergonic
A
chemical reactions that release energy
9
Q
kilocalories
A
unit food calories are measured in
10
Q
membrane
A
sheet-like structure that surrounds the cells organelles
11
Q
hyper
A
more than
12
Q
hypo
A
less than
13
Q
iso
A
equal to
14
Q
selective permeability
A
allows certain molecules to pass through
