Cells sometimes use passive transport to move molecules across their membranes. The rate at which a cell engages in passive transport is determined by A the number of vacuoles that the cell contains.
B the amount of energy that the cell generates.
С the composition of the cell membrane.
D the size of the cell's chloroplasts.

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.

Cherries for sure do doubt   

One reason is animal teeth are in an extraordinary structure.another reason is animal teeth are creative