Question

Blood coming from all parts of the body is received by the (1)_____ of the heart by the way u the blood vessel called (2)____ Contraction of the right atrium sends blood to the (3)_____ this point, the (4)______ valves are open. While the valves are open. Contraction of the right ventricle forces blood to the (5)______ for oxygenation by the way of the (6)______ At this point, the (7)______ (8)______________ valves are closed to prevent back flow of the blood in the right atrium. From the lungs, oxygenated blood goes back to the (8)_____. of the heart via the blood vessels At this point, the Contraction of the left atrium forces blood to the (10)______. are open. Contraction of the left ventricle pumps blood to (12)______ by way of the (13)_______ called(9)_____ (11)_____ the largest artery. At this point, the (14)_____$ valves are open while the (15)______ revent the backflow of blood in the left atrium. are closed to prevent the backflow of blood in the left atrium SCIENCE ​

Answer 1

1. The right atrium 2. veins 3. lungs 4. heart valves. 5. pulmonary artery   6. Lungs 7. pulmonic valves 8. left atrium.

Circulation is the process by which your heart continuously pumps around five liters (eight pints) of blood throughout our body. our cardiovascular system is made up of our heart, blood, and blood arteries (or heart and circulatory system). Because the majority of the oxygen has been used up by the body and brain, the right side of the heart receives blood that is deficient in oxygen. our lungs then take in a new supply of oxygen as a result of this being pumped to them. In order to be pumped back out to the brain and the rest of our body, the blood then travels back to the left side of the heart.

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