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, supplying oxygen and nutrients to tissues and removing carbon dioxide and waste products.

Front

What are the two upper chambers of the heart called?

Back

The two upper chambers of the heart are called the atria (singular: atrium).

Front

What are the two lower chambers of the heart called?

Back

The two lower chambers of the heart are called the ventricles.

Front

What is the role of the left atrium?

Back

The left atrium receives oxygenated blood from the lungs through the pulmonary veins.

Front

What is the role of the right atrium?

Back

The right atrium receives deoxygenated blood from the body through the superior and inferior vena cavae.

Front

What is the function of the aortic valve?

Back

The aortic valve opens to allow oxygenated blood to flow from the left ventricle into the aorta.

Front

What is the function of the tricuspid valve?

Back

The tricuspid valve opens to allow deoxygenated blood to flow from the right atrium into the right ventricle.

Front

What is bradycardia?

Back

Bradycardia is a medical term for a heart rate that is slower than normal, typically below 60 beats per minute.

Front

What is tachycardia?

Back

Tachycardia is a medical term for a heart rate that is faster than normal, typically above 100 beats per minute.

Front

What does an EKG (ECG) measure?

Back

An EKG (ECG) measures the electrical activity of the heart, showing the heart's rhythm and detecting any irregularities.