Question

what do you mean by blood fluid and circulation

Answer 1

Blood fluid is that moves through the vessels of a circulatory system.
Circulation is the movement of blood through the body that is caused by the pumping action of the heart.

(Hope it helps)

Answer 2

Blood fluid is that moves through the vessels of a circulatory system.
Circulation is the movement of blood through the body that is caused by the pumping action of the heart.