Respiratory System

Front

What is the function of cilia and mucus in the breathing passages?

Back

They line the breathing passages to trap things that don't belong in the body.

Front

What are the main gases exchanged in the lungs?

Back

Oxygen and Carbon Dioxide.

Front

What is the role of the bronchi in the respiratory system?

Back

The bronchi are the main passageways that direct air into the lungs.

Front

What is the primary organ of the respiratory system?

Back

The lungs.

Front

What is the function of the diaphragm in breathing?

Back

The diaphragm contracts and relaxes to help draw air into and push air out of the lungs.

Front

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

Back

Nose -> Pharynx -> Larynx -> Trachea -> Bronchi -> Lungs.

Front

What is the purpose of the alveoli in the lungs?

Back

Alveoli are tiny air sacs where gas exchange occurs.

Front

What is the role of the nasal cavity in respiration?

Back

The nasal cavity filters, warms, and moistens the air we breathe.

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 releasing air from the lungs.

Front

What is the significance of oxygen in the respiratory system?

Back

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