20 points!! Please help me find what A, B, X, Y, and Z illustrates! Possible answers for all of them are :
Phospholipid bilayer
Osmosis occurring
Simple diffusion process
Facilitated diffusion process
Channel proteins

the glands which are associated with each description is given below:

pancreas - is an endocrine and exocrine gland that secretes juices with enzymes for digestion. salivary glands- with protection and digestion in the mouth. liver- secretes bile for digestion.   lachrymal glands - secrete tears to moisten eyes and protect them from particles and infection.   sweat gland -regulates water, salt, and temperature. oil glands - to form a protective barrier on the skin.   goblet cells - secrete mucus for protection.