Human Body Systems

Front

What is the main function of the circulatory system?

Back

To pump blood throughout the body, delivering oxygen and nutrients to cells.

Front

What happens to your breathing rate after exercise?

Back

It decreases as your body starts to recover.

Front

What important substance does blood carry to the body?

Back

Oxygen, which is essential for cellular respiration.

Front

What happens to your heart rate when you exercise?

Back

It increases to supply more oxygen to the muscles.

Front

Which body system includes the lungs?

Back

The respiratory system, responsible for breathing and gas exchange.

Front

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

Back

To pump blood to all parts of the body.

Front

What do red blood cells do?

Back

They carry oxygen from the lungs to the rest of the body.

Front

What is the function of the lungs?

Back

To take in oxygen and expel carbon dioxide.

Front

What is the difference between the circulatory and respiratory systems?

Back

The circulatory system transports blood, while the respiratory system facilitates gas exchange.

Front

What happens to your body when you breathe faster?

Back

Your body is trying to get more oxygen to meet increased energy demands.