Was this answer useful? HOW DOES THE HEART PUMP?
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You - Hi [April 22, ]. Be what are four functions of the circulatory system black guy - White guy [April 22, ]. This website helps me out a lot - Awesomeness [April 22, ]. I love buzzle - Crystel [January 8, ]. Blood delivers oxygen and nutrients to cells and carries away carbon dioxide and other waste materials.
People have always known that hearts are very important. Your heart does not look like a valentine heart. Your heart is a pump. When you run very fast, your heart pumps hard and fast. You can feel your heart pumping, or beating.
Functions of the Circulatory System You've Always Wanted to Know
WHAT DOES A HEART LOOK LIKE? It is about the size of your closed fist. It is almost in the middle of your chest. It is just off to arre left side.
What is the function of the circulatory system?
It is divided into four parts called chambers. The chambers are hollow inside. The two chambers on top are called atria. The chambers on the bottom are called ventricles. Your heart also has four valves that let blood in and out of the chambers. Tubes called veins go into your heart. Arteries and veins are also called blood vessels.
THE HEART PUMPS BLOOD. Blood comes into the atria or top chambers of your heart.
Your right atrium pumps the blood into your right ventricle, the bottom chamber. Your right ventricle pumps the blood through an artery into your lungs. WHAT HAPPENS TO BLOOD IN THE LUNGS? It has to get a fresh supply of oxygen.
Your lungs take care of both jobs. Carbon dioxide from your blood goes into your lungs. Your lungs get rid of the carbon dioxide when you breathe out. Your lungs get oxygen from breathing in air. Your lungs fill up four functions oxygen. Your blood picks up a new supply of oxygen from your lungs.
Now your blood is ready to go out through your arteries to all the parts of your body. Special veins send blood from your lungs to your left atrium, or top chamber. The blood goes from the left atrium to the left ventricle. The left ventricle pumps the blood out through your arteries to every part of your body. HOW DOES THE HEART PUMP? Open and close your fist again and again.
26. What parts does the circulatory system comprise? What is its function?
This is sort of how your heart pumps blood. The muscles in your heart squeeze the chambers. Your brain tells your heart to over and over again. It is just off to the left side. It is divided into four parts called chambers.
The chambers are hollow inside. The two chambers on top are called atria. The what ares on the bottom are called ventricles. Your heart also has four valves that let blood in and out of the chambers. Tubes called veins go into your heart. Arteries and veins are also called blood vessels. THE HEART PUMPS BLOOD. Blood comes into the atria or top chambers of your heart.
Your ventricles, or bottom chambers, pump blood out to every part of your body. Every part of your body needs food and oxygen for energy.
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You need energy for your body to work and for you to stay alive. Your heart pumps blood carrying food and oxygen through your arteries. Big arteries carry the blood to your legs and arms. The arteries get smaller and smaller the farther out they go.
Little blood vessels called capillaries take blood to your cells. Everything in your body is made of tiny cells. One of these waste products is a gas called carbon dioxide.