Circulatory System

Front

What is the main function of the circulatory system?

Back

To transport oxygen, nutrients, hormones, and waste products throughout the body.

Front

What are the main components of the circulatory system?

Back

Heart, blood vessels (arteries, veins, capillaries), and blood.

Front

What is the role of the heart in the circulatory system?

Back

The heart pumps blood throughout the body, maintaining circulation.

Front

What are arteries?

Back

Blood vessels that carry oxygen-rich blood away from the heart.

Front

What are veins?

Back

Blood vessels that carry oxygen-poor blood back to the heart.

Front

What is the function of capillaries?

Back

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

Front

What is the difference between the left and right atrium?

Back

The left atrium receives oxygenated blood from the lungs, while the right atrium receives deoxygenated blood from the body.

Front

What is the purpose of lymph nodes?

Back

Lymph nodes filter lymph fluid and help the body fight infections by producing white blood cells.

Front

What condition occurs when veins become swollen and painful due to backflow of blood?

Back

Varicose veins.

Front

What is the aorta?

Back

The largest artery in the body that carries oxygenated blood from the heart to the rest of the body.