The Circulatory Story Final Test

Front

What is the main job of a valve in the circulatory system?

Back

To keep blood flowing in one direction.

Front

What happens when the left atrium squeezes?

Back

The mitral valve opens.

Front

What is plaque in relation to the coronary artery?

Back

A fatty substance that can cause a heart attack if it builds up on the walls.

Front

What does the word 'literal' mean?

Back

The exact meaning of a word.

Front

What substance do blood cells travel in?

Back

Plasma.

Front

What do valves do when the heart squeezes?

Back

They open and close to keep blood flowing in the right direction.

Front

What is the role of the left ventricle?

Back

To receive blood from the left atrium and pump it out to the body.

Front

What is the function of arteries in the circulatory system?

Back

To carry oxygen-rich blood away from the heart.

Front

What is the role of plasma in the blood?

Back

To transport blood cells and nutrients throughout the body.

Front

What can happen if plaque builds up in the arteries?

Back

It can lead to a heart attack.