Heart anatomy
In your bloodstream
Heart Function
Potpourri
100

The heart consists of four chambers. Two of these and two of these

Atria (atrium) & Ventricles

100

These help fight off infections and disease that are apart of the immune system.

White blood cells

100

In order to get oxygenated, the blood must travel through this artery to the lungs.

Pulmonary artery 

100

These tubes carry oxygenated blood throughout the body

Arteries 

200

The four of these prevent blood from flowing in the wrong direction and separate the sections of the heart

Valves

200

These help control bleeding in our body.

Platelets

200

This part of the heart are the lower chambers with then sends the blood to the aorta or the pulmonary artery.

Ventricles 

200

These tubes carry deoxygenated blood back to the heart.

Veins

300

This main artery leads away from the heart to transport oxygenated blood to the rest of the body.

The Aorta

300

These transport carbon dioxide back to the lungs to be exhaled.

Red blood cells

300

This chamber has thin walls and pumps blood into the ventricles 

Atrium

300

These small blood vessels is where the real work of the cardiovascular system takes place

Capillaries

400

This artery transports blood form the right ventricle of the heart to the lungs to be oxygenated.

Pulmonary Artery 

400

This substance carries water, enzymes, hormones, etc. throughout the body.

Plasma

400

This stage causes the atria to contract, pushing blood into the lower chambers of the heart.

Systole

400

The "lub dub" sound you hear that makes up the heartbeat is actually what?

The valves opening and closing

500

This main vein leads deoxygenated blood back into the heart, connecting to the right atrium.

Superior Vena Cava

500

These tiny blood vessels help connect your veins and arteries and facilitate the exchange of certain materials.

Capillaries

500

The stage where the heart muscle relaxes and the upper chambers of both sides fill with blood.

Diastole 

500

You have about this many liters of blood in your body.

5 liters

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