maintain normal PH in body tissues.
Precapillary sphincters
they are protective , productive , regulatory and accessory.
Red blood cells are carried along passively by blood circulation, so if anything can be said to control them, it would be the heart. Their function of carrying oxygen to the cells of the body happens automatically, without any kind of regulatory mechanism other than changes to blood circulation.
A hormone
The normal pH level of blood is around 7.35 to 7.45, making it slightly basic. Fluctuations outside this range can lead to serious health problems. The body maintains this balance through breathing, kidney function, and other regulatory mechanisms.
we can say that blood clotting is a function of blood because plasma is involved in blood cloting and plasma is a consituent of blood.
oncogenes
The main fuction of blood vessels is to help the blood reach the arteries
The only blood cells that function entirely within the blood vessels are red blood cells.
Blood Vessels-are the passageway of blood.
Checks and balances
The function of the blood vessel is to pass oxygen through the body via the blood.