Science Body System 1 Review

Front

What happens to your breathing rate and heart rate when you exercise?

Back

Both your breathing rate and heart rate increase to supply more oxygen to the body.

Front

What energy source does your body use more of during exercise?

Back

Your body uses more oxygen to make energy during exercise.

Front

What is the process called where oxygen moves from the lungs into capillaries and carbon dioxide moves from capillaries into the lungs?

Back

This process is called gas exchange in the lungs.

Front

What system transports oxygen and nutrients to the cells and removes carbon dioxide and other wastes?

Back

The circulatory system.

Front

What is the muscular organ that provides the force for the circulatory system?

Back

The heart.

Front

What is the function of the trachea (windpipe)?

Back

The trachea carries oxygen-rich air to your 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.

Front

What is the main function of the lungs?

Back

The lungs facilitate gas exchange, allowing oxygen to enter the blood and carbon dioxide to be expelled.

Front

What are capillaries?

Back

Capillaries are tiny blood vessels where gas exchange occurs between blood and tissues.

Front

What is the significance of oxygen in the body?

Back

Oxygen is essential for cellular respiration, which produces energy for the body's functions.