Pre-Lab Exercise 15-4 Pathway of Blood Flow through the Heart Answer the followi

Question

Pre-Lab Exercise 15-4 Pathway of Blood Flow through the Heart Answer the following questions about the pathway of blood Blow through the heart. Use your textbook and Exercise 15-1 (p. 373) in this unit for reference. 1. Regarding veins: a. Where do veins carry blood? b. Is this blood generally oxygenated or deoxygenated? c. Does this rule have any exceptions? If yes, where? 2. Regarding arteries: a. Where do arteries carry blood? b. Is this blood generally oxygenated or deoxygenated? c. Does this rule have any exceptions? If yes, where? 3. Where does each atrium pump blood when it contracts? a. Right atrium: b. Left atrium: Where does each ventricle pump blood when it contracts? a. Right ventricle: b. Left ventricle 4. 15

Explanation / Answer

1-

a: vein carry blood from whole body to the heart. They carry deoxygenated blood from whole body

b: this blood may be generally deoxygenated that is impure blood of whole body.

c: yes this rule have exception in case of Pulmonary vein which carry oxygenated blood from lungs to heart.

2

a: arteries carry blood from heart to whole body

b: they generally carry oxygenated blood from heart to whole body.

c: Pulmonary artery is the exception of this rule because it carry deoxygenated blood from heart to lungs.

3- right Atrium pump blood to the right ventricle while left Atrium pumps the blood for left ventricle.

4- right ventricle pumps the deoxygenated blood to the lungs while left ventricle pumps the oxygenated blood to the whole body through aorta.

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