Question

6. What prevents blood from flowing in the wrong direction in the heart?
7. Name the largest artery in the body.​

Answer 1

Answer:

(6) Heart valves

(7) the aorta

Answer 2

Explanation:

Heart valves

• Each valve has flaps that prevent blood from flowing in the wrong direction — opening to allow forward flow of blood and closing to prevent backward flow.

the aorta

•The largest artery is the aorta, the main high-pressure pipeline connected to the heart's left ventricle. The aorta branches into a network of smaller arteries that extend throughout the body.