CardiovascularSystemics19otiska

Why is the cardiovascular system important and how blood flows through your body?

Blood flows through body and it starts at your heart. The heart is in the center and it has 2 loops one is connected to your lungs and the first loop blood flows to your lungs and then back to the heart. Your second loop pumps blood all throughout your body and then back to your heart. Your body has three kinds of blood vessels arteries,capillaries,and veins. Your arteries carries blood away from your heart. The largest artery is the aorta. From your arteries blood flow into your capillaries. Capillaries are really tiny.Then capillaries carry blood to your veins then the blood goes back to your heart. The cardiovascular system is important because it delivers substances that are needed to your cells and carries waste away from cells. Blood contains cells that fight diseases.It also delivers oxygen and nutrients to every part of your body