All but one of these factors is important in maintaining proper blood pressure and the blood circulate throughout the human body. that is

a) the heart.

b) fluid pressure.

c) turgor pressure.

d) constricting of artery walls.

Ithink its c hope it : )

U. life is what you go through to become a better person. it makes you stronger, wiser, and more creative. it can be hard but its ok. because i believe everyone was put here for a reason. whether or not you know that reason you should always look towards the future and trust in god for a better tomorrow.be safe and blessed