The transport systems of plants and mammals both function to transport substances to and from cells. (a) Table 4.1 contains descriptions concerning the mammalian circulatory system and the structure of the heart. Complete Table 4.1 by writing down the term that matches each description. Table 4.1 description term a transport system where blood is enclosed in blood vessels and passes through the heart twice in one complete circuit of the body blood vessel, with a lumen of approximately 7µm in diameter, that supplies substances to cells the blood vessel that carries oxygenated blood from the lungs to the heart the chamber of the heart that receives deoxygenated blood from the body the structure dividing the heart into the left and right sides