Question

Which part of the human body is more complex, your heart or your circulatory system?

Explain your answer:

Answer 1

Circulatory system

Step-by-step explanation:

Your circulatory system is much more complicated because it includes your heart, plus all of your arteries, veins, blood, and more.

Answer 2

Your heart

Step-by-step explanation:

The heart structure is made more complex because of the mechanisms that allow blood to be distributed throughout the body and return to the heart.