Oh, I just realized you asked for a body part, and there is only one body part in the circulatory system, my bad. That would be the heart. But, it also contains veins, arteries, capillaries, and blood. It's main function to pump blood to supply oxygen to the body.
Hope this helps!
B. A school locker room
C. A bank lobby
D. A study area
Answer:
190 is the average velocity.
Explanation:
Just add them together
b. Circuit breaker
c. Fuse
d. Insulation