Question

What is the work of veins??
​

Answer 1

Answer:

Veins Explained

Most veins carry deoxygenated blood from bodily tissue back to the heart, where it receives fresh oxygen. Veins must work against gravity to return blood the heart. The muscles of the leg help that process, and valves within the veins usually keep the moving blood from flowing back down toward the feet.

Answer 2

Answer:

Answer:Most veins carry deoxygenated blood from bodily tissue back to the heart, where it receives fresh oxygen. Veins must work against gravity to return blood the heart. The muscles of the leg help that process, and valves within the veins usually keep the moving blood from flowing back down toward the feet.