MEDICAL
LUNGS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
Always carry blood away from the heart
|
|
Always carry blood towards the heart
|
|
Always carry oxygenated blood
|
|
Always carry deoxygenated blood
|
Detailed explanation-1: -Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide. These roadways travel in one direction only, to keep things going where they should.
Detailed explanation-2: -Arteries are blood vessels that supply oxygen-rich blood to the entire body. They are tube-like vessels. The pulmonary artery is an exception as it carries blood poor in oxygen away from the heart instead of a vein.
Detailed explanation-3: -Coronary arteries supply blood to the heart muscle. Like all other tissues in the body, the heart muscle needs oxygen-rich blood to function. Also, oxygen-depleted blood must be carried away. The coronary arteries wrap around the outside of the heart.