Human Body Systems

Front

What is the circulatory system?

Back

The circulatory system is the system in the body that pumps blood and transports nutrients, oxygen, and waste products throughout the body.

Front

What does the respiratory system do?

Back

The respiratory system is responsible for taking in oxygen and expelling carbon dioxide from the body.

Front

What happens to your breathing rate after exercise?

Back

After exercise, your breathing rate decreases as your body returns to a resting state.

Front

What is oxygen's role in the body?

Back

Oxygen is essential for breathing and is used by the body to produce energy.

Front

What does it mean for a muscle to contract?

Back

When a muscle contracts, it shortens and pulls on the bones, allowing movement.

Front

What is the function of the heart?

Back

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

Front

How do the circulatory and respiratory systems work together?

Back

The circulatory system transports oxygen from the lungs to the body and returns carbon dioxide to the lungs.

Front

What is the muscular system?

Back

The muscular system is made up of muscles that allow the body to move and maintain posture.

Front

What happens to your muscles when you lift something heavy?

Back

When you lift something heavy, your muscles contract to provide the strength needed for the lift.

Front

What is the digestive system?

Back

The digestive system breaks down food into nutrients that the body can use for energy and growth.