Circulatory and Respiratory Systems

Front

Where does gas exchange occur in the lungs?

Back

Alveoli

Front

What do arteries carry?

Back

Oxygenated blood away from the heart.

Front

What is the name of the windpipe that connects the throat to the lungs?

Back

Trachea

Front

Why are capillaries important to the circulatory system?

Back

They allow the exchange of materials between the blood and body cells.

Front

What are the small branches of the bronchi called?

Back

Bronchioles

Front

What is the main function of the heart?

Back

To pump blood throughout the body.

Front

What is the role of red blood cells?

Back

To carry oxygen from the lungs to the body's tissues.

Front

What is the function of the diaphragm in the respiratory system?

Back

To help with breathing by contracting and relaxing.

Front

What is the difference between veins and arteries?

Back

Veins carry deoxygenated blood towards the heart, while arteries carry oxygenated blood away from the heart.

Front

What is the purpose of the alveoli?

Back

To facilitate gas exchange between the air and blood.