The function of the blood vessel is to pass oxygen through the body via the blood.
Blood carries oxygen to all other body parts.
by blood circulation
To carry blood around the body
Their main function is transportation. Blood maintans pH, temperature and osmo regulation. Protects the body.
The function of blood is what it does in the body (carries O2, CO2, food, hormones water etc.) and the circulation of blood is how it gets round the body (pumped by the heart through arteries and veins) to perform its function.
the function of any living beings heart is to pump blood around the body.
The main function is to pump and circulate the blood from the heart to the body and the body to the heart. Continuously at that.
its the blood cells
The function of the atria is to receive blood in the heart. This is the blood which is usually from the other parts of the body which needs to be oxygenated.
The function of an earthworm's aortic arches are to pump blood to the ventral blood vessel and into the body.
To carry blood back to the heart from the body. Arteries carry blood away from the heart to the body.