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Question 1:-Transpotation in Human Beings Question 2:- Our ⛽ pump the ❤heart Question 3:- Oxygen enters the blood in the lungs Question 4:-The tubes blood vessels Question 5:-Maintenance by Platelets Question 6:-Lymph
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Answer:
1)ans=The components of the transport system in human beings are the heart, blood, and blood vessels..In humans, transportation of oxygen nutrients, hormone and other substances to tissue, CO2 to the lungs and waste products to the kidneys is carried out by a well-defined Circulatory System. In lower organisms material is transported by diffusion.
2)ans=The right ventricle pumps the oxygen-poor blood to the lungs through the pulmonary valve. The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle through the mitral valve. The left ventricle pumps the oxygen-rich blood through the aortic valve out to the rest of the body.
3)Ans=The oxygen in inhaled air passes across the thin lining of the air sacs and into the blood vessels. This is known as diffusion. The oxygen in the blood is then carried around the body in the bloodstream, reaching every cell. When oxygen passes into the bloodstream, carbon dioxide leaves it.
4)Ans=A blood vessel is a tube that carries blood in the circulatory system. ... Blood vessels that take blood back to the heart are veins. Capillaries are between veins and arteries and they supply tissue with blood. The heart plus all of the blood vessels in the body together are called the circulatory system..
5)Ans=The maintenance of platelet concentrates at 20 to 24 degrees C, sitting undisturbed on a bench top for 9 hours, after storage for 6 days with continuous agitation, also had no damaging influence.
6)ans=Lymph (from Latin, lympha meaning "water") is the fluid that flows through the lymphatic system, a system composed of lymph vessels (channels) and intervening lymph nodes whose function, like the venous system, is to return fluid from the tissues to the central circulation.Lymph is the fluid that flows through the lymphatic system, a system composed of lymph vessels (channels) and intervening lymph nodes whose function, like the venous system, is to return fluid from the tissues to the central circulation.
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