Question

lo 3.3. what is the central pump that moves blood through the body?
heart
liver
lungs
thyroid
brain

Explanation:

The heart is a muscular organ that contracts rhythmically to pump blood throughout the body via the circulatory system. The liver processes nutrients and detoxifies. The lungs are for gas exchange. The thyroid regulates metabolism. The brain controls body functions. Only the heart's main role is pumping blood.

Answer:

Heart