Answer:The wall of the aorta is thicker than that of the inferior venacava; this is because the aorta is the artery that carries blood from the heart from the left ventricle to the whole body (except the lungs), while the superior and inferior venacava are the veins that carry blood from the body to the right atrium. hope this helps !:)
Explanation:
To control the functions of the cell
A high pressure system has higher pressure at its center than the areas around it. Wind blows away from high pressure. Winds of a high pressure system swirl in the opposite direction. But a low pressure system - clockwise north of the equator and counterclockwise south of the equator.
Fossils prove that other organsism lived before us and show organisms simmalar to us