Circulatory & Respiratory Systems

Front

What is the main function of the circulatory system?

Back

The main function of the circulatory system is to transport materials such as oxygen, nutrients, hormones, and waste products throughout the body.

Front

What is the function of red blood cells?

Back

Red blood cells carry oxygen from the lungs to the body's cells and carry carbon dioxide from the body's cells back to the lungs.

Front

Which system delivers more oxygen to muscles during exercise?

Back

The circulatory system responds to exercise by delivering more oxygen to the muscles.

Front

What happens to heart rate during exercise?

Back

If a person exercises, then their heart rate will increase.

Front

What do we do when we exhale?

Back

When we exhale, we are letting out air from our lungs.

Front

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

Back

The heart pumps blood throughout the body, supplying oxygen and nutrients to tissues and removing waste products.

Front

What are the main components of the circulatory system?

Back

The main components of the circulatory system include the heart, blood vessels (arteries, veins, and capillaries), and blood.

Front

What is the function of arteries?

Back

Arteries carry oxygen-rich blood away from the heart to the body's tissues.

Front

What is the function of veins?

Back

Veins carry oxygen-poor blood back to the heart.

Front

What is the role of the lungs in the respiratory system?

Back

The lungs are responsible for gas exchange, taking in oxygen and expelling carbon dioxide.