1. Name the different parts of the circulatory sysłem in man.
3. What is circulation?
4. How many types of blood vessels are there. Naine ther.
5. Differenctiate between arteries and veins.
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The circulatory system consists of three independent systems that work together: the heart (cardiovascular), lungs (pulmonary), and arteries, veins, coronary and portal vessels (systemic). The system is responsible for the flow of blood, nutrients, oxygen and other gases, and as well as hormones to and from cells.
Aplateleaverage adult has 5 to 6 quarts (4.7 to 5.6 liters) of blood, which is made up of plasma, red blood cells, white blood cells and platelets.
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