The Circulatory System - in class

Front

How many chambers does the heart have?

Back

The heart has 4 chambers: two atria and two ventricles.

Front

What is the function of arteries in the circulatory system?

Back

Arteries are blood vessels that carry oxygen-rich blood away from the heart to the rest of the body.

Front

What do veins do in the circulatory system?

Back

Veins are blood vessels that transport oxygen-poor blood containing carbon dioxide back to the heart.

Front

Which organ works closely with the circulatory system but is not part of it?

Back

The lungs work closely with the circulatory system to exchange oxygen and carbon dioxide.

Front

What causes the beating sound of the heart?

Back

The beating sound of the heart comes from the valves closing and opening as blood flows through the heart.

Front

What is the main function of the heart?

Back

The main function of the heart is to pump blood throughout the body.

Front

What are capillaries?

Back

Capillaries are tiny blood vessels where the exchange of oxygen, carbon dioxide, nutrients, and waste occurs between blood and tissues.

Front

What is the role of blood in the circulatory system?

Back

Blood transports oxygen, nutrients, hormones, and waste products throughout the body.

Front

What is the difference between oxygen-rich and oxygen-poor blood?

Back

Oxygen-rich blood is bright red and carries oxygen from the lungs to the body, while oxygen-poor blood is darker and carries carbon dioxide from the body back to the lungs.

Front

What is the largest artery in the body?

Back

The aorta is the largest artery in the body, carrying oxygen-rich blood from the heart to the rest of the body.