6.1 exchange between organisms and their environment Flashcards
1
Q
Fick’s law
A
surface area X difference in concentration/ length of diffusion path
2
Q
name 4 general things that need to be exchanged between organisms and their environment
A
- respiratory gases
- nutrients
- excretory products
- heat
3
Q
what is tissue fluid?
A
fluid around the cells of multicellular organisms
4
Q
how do you calculate the surface area of a cube?
A
6 X area of 1 side
5
Q
how do you calculate the volume of a cube?
A
length X width X height
