Cardiovascular System Review

Front

Deoxygenated blood first enters the heart at the left atrium.

Back

False - Deoxygenated blood first enters the heart at the right atrium.

Front

What is a function of the cardiovascular system?

Back

Transportation of oxygen, removal of carbon dioxide, and assistance with immune function.

Front

The myocardium makes up about two-thirds of the heart muscle.

Back

True

Front

What is vasodilation?

Back

Vasodilation is the process that increases the diameter of blood vessels.

Front

What is the normal adult heart rate?

Back

72 to 82 bpm.

Front

What is the primary function of the heart?

Back

To pump blood throughout the body.

Front

What are the two main types of circulation in the cardiovascular system?

Back

Systemic circulation and pulmonary circulation.

Front

What is the role of arteries in the cardiovascular system?

Back

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

Front

What is the role of veins in the cardiovascular system?

Back

To carry deoxygenated blood back to the heart.

Front

What is the significance of the sinoatrial (SA) node?

Back

It acts as the natural pacemaker of the heart.