Respuesta :

Answer:

its B because veins bring the blood back to the heart for reoxidation

Answer:

For questions that were left blank:

1) Arteries carry blood away from the heart while veins carry blood into the heart.

Ans: a

2) The heart has 2 pumps. The pulmonary circuit pumps blood to the lungs and the systemic circuit pumps blood to the body.

Ans: b