EVERYDAY SCIENCE

SCIENCE

CIRCULATORY SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Blood leaves the heart in two vessels, namely the:
A
Aorta and pulmonary vein
B
Pulmonary artery and aorta
C
Aorta and venae cavae
D
Pulmonary artery and pulmonary vein
Explanation: 

Detailed explanation-1: -Two valves also separate the ventricles from the large blood vessels that carry blood leaving the heart: The pulmonic valve is between the right ventricle and the pulmonary artery, which carries blood to the lungs. The aortic valve is between the left ventricle and the aorta, which carries blood to the body.

Detailed explanation-2: -A crucial difference is that your pulmonary artery carries oxygen-poor (deoxygenated) blood, while your aorta carries oxygen-rich (oxygenated) blood. In fact, your pulmonary arteries are the only arteries in your body that carry oxygen-poor blood.

Detailed explanation-3: -The left ventricle generates the high pressure needed to pump the blood to your whole body through your blood vessels. When blood leaves the heart to go to the rest of the body, it travels through a large artery called the aorta.

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