Question

6 What happens to the blood in the lungs?​

Answer 1

Explanation:

Here, oxygen travels from the tiny air sacs in the lungs, through the walls of the capillaries, into the blood. At the same time, carbon dioxide, a waste product of metabolism, passes from the blood into the air sacs. Carbon dioxide leaves the body when you exhale.

Answer 2

Answer:

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Explanation:

Once blood travels through the pulmonic valve, it enters your lungs. This is called the pulmonary circulation. From your pulmonic valve, blood travels to your pulmonary artery to tiny capillary vessels in the lungs.

Here, oxygen travels from the tiny air sacs in your lungs, through the walls of the capillaries, into your blood.

At the same time, carbon dioxide, a waste product of metabolism, passes from the blood into the air sacs. Carbon dioxide leaves the body when you exhale. Once the blood is purified and oxygenated, it travels back to the left atrium through the pulmonary veins.