Question

choose the correct answer. the function of the ______and blood vessels is to move blood throughout the body. lungs brain heart

Explanation:

The circulatory system's main components for moving blood are the heart and blood vessels. Lungs are part of the respiratory system (gas exchange), and the brain is part of the nervous system (control/processing). So the heart works with blood vessels to circulate blood.

Answer:

C. heart (assuming the options are labeled A: lungs, B: brain, C: heart; if original labels differ, adjust, but the correct choice is the option with "heart")