With every beat of the heart, gallons of blood are pumped through the reach every cell in the body. nervous system blood vessels small intestine

The correct answer would be blood vessels.

Explanation:

The circulatory system consists heart, blood vessels, and blood. In humans, heart is a four-chambered muscular organ which pumps blood throughout the life.

The blood vessels are tubular structure which helps in transporting blood throughout the body.

The heart (left ventricle) pumps blood (oxygenated) into aorta, the largest blood vessel. Aorta divides into smaller and smaller vessels and ultimately into capillaries. These capillaries transport blood to each and every cell of the body.

In contrast, veins are the blood vessels which carry blood back from cells to the heart.

Thus, the blank can be correctly filled up with blood vessels.

hey there!

so, when you eat, your teeth chew and grind food into smaller pieces. this is mechanical digestion. then reactions aided by digestive enzymes break down large food molecules into smaller molecules. this is chemical digestion. the two processes change the food into simpler substances that can be used by the body for raw materials and energy.

hope this

tobey

answer; the correct answer is (beta)