Biology-10 Respiratory System

Front

What happens when air pressure inside the lungs is less than atmospheric pressure?

Back

Air moves into the lungs.

Front

What surrounds the alveoli in the lungs?

Back

Capillaries.

Front

What is the primary site of gas exchange in the respiratory system?

Back

Alveoli.

Front

What is the waste gas expelled from the body during exhalation?

Back

Carbon Dioxide.

Front

What does the division of the trachea form?

Back

Main bronchi.

Front

What is the function of the alveoli?

Back

To facilitate gas exchange between air and blood.

Front

What is the role of capillaries in the respiratory system?

Back

To transport oxygen and carbon dioxide to and from the alveoli.

Front

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

Back

Nose -> Trachea -> Bronchi -> Bronchioles -> Alveoli.

Front

What is the difference between inhalation and exhalation?

Back

Inhalation is the process of taking air into the lungs, while exhalation is the process of expelling air from the lungs.

Front

What muscle is primarily responsible for breathing?

Back

Diaphragm.