Question

which organ pumps oxygen - poor blood to the lungs and oxygen - rich blood to other body organs? heart skin brain skeleton

Explanation:

The heart is the organ that circulates blood. It sends oxygen - poor blood to the lungs for oxygenation and oxygen - rich blood to other body organs for supplying oxygen and nutrients. Skin is for protection and temperature regulation, brain for neural functions, and skeleton for support and protection.

Answer:

A. heart