Diffusion is the movement of molecules across the cell membrane from concentration.
O low, high
O high, low
O high, equal
O equal, low

o high, low

Explanation:

Diffusion is the movement of a solute from an area of its high concentration to an area of its low concentration

b.

hoped i

explanation:

a. suckling by young

b. hypothalamus

c. dopamine

d. trh

e. anterior pituitary

f. mammary glands

g. milk production