Circulatory and Respiratory Systems

Front

What is the main function of the respiratory system?

Back

To provide oxygen and remove carbon dioxide from the body.

Front

What are the air sacs in the lungs where gas exchange occurs?

Back

Alveoli.

Front

What happens to cause air to be exhaled from the lungs?

Back

The diaphragm relaxes and moves upward.

Front

What is the purpose of the respiratory system?

Back

Takes in oxygen and releases carbon dioxide.

Front

Which system delivers more oxygen to cells during physical activity?

Back

Circulatory system.

Front

What is the main organ of the respiratory system?

Back

Lungs.

Front

What is the role of the diaphragm in breathing?

Back

It contracts and relaxes to help move air in and out of the lungs.

Front

What is the pathway of air from the nose to the lungs?

Back

Nose -> Trachea -> Bronchi -> Lungs.

Front

What is the function of capillaries in the respiratory system?

Back

They allow for the exchange of oxygen and carbon dioxide between the blood and alveoli.

Front

What gas do we inhale that is essential for life?

Back

Oxygen.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3