Unit 1- The circulatory system of humans

Front

What do veins carry away from the heart?

Back

Veins carry deoxygenated blood back to the heart.

Front

What is a pulse?

Back

A pulse is the feeling of blood being pumped through the arteries by the heart.

Front

What is the main function of the heart?

Back

The heart is responsible for circulating blood throughout the body.

Front

What type of blood does the right atrium receive?

Back

The right atrium receives deoxygenated blood from the body.

Front

How many chambers does the heart have?

Back

The heart has four chambers: two atria and two ventricles.

Front

What is the role of arteries?

Back

Arteries carry oxygenated blood away from the heart to the body.

Front

What is the function of the left atrium?

Back

The left atrium receives oxygenated blood from the lungs.

Front

What is the role of the ventricles?

Back

The ventricles pump blood out of the heart.

Front

What is oxygenated blood?

Back

Oxygenated blood is blood that has picked up oxygen from the lungs.

Front

What is deoxygenated blood?

Back

Deoxygenated blood is blood that has delivered oxygen to the body and is returning to the heart.