Answer:
circulatory
Explanation:
Heart is only responsible for generating the pumping force needed to supply blood to each and every corner of the body. As heart is part of circulatory system. The answer is Circulatory system.
Answer: Friction
Explanation: Sir Isaac Newton, a soccer ball on the grass will stay where it is unless acted on by a force.
Answer:
Surface area
Explanation:
The surface area to the volume ratio gets larger as the cell gets smaller and vice versa.
