Question

The heart pumps blood to all the parts of the body and ensures that they receive a steady supply of oxygen and nutrients.Which parts of the body require a constant supply of oxygenated blood to function well?

1. Lungs
2.Heart
3.Brain
4.Intestine

A. only 3
B. only 3 and 4
C. only 1, 3 and 4
D. all - 1,2,3 and 4

Answer 1

Answer is D-all-1,2,3&4