Respiratory System

Front

What happens during inspiration?

Back

The diaphragm contracts and pulls down to cause air to rush into the thoracic cavity.

Front

What is the function of the pharynx?

Back

The pharynx serves as a passageway for food and air.

Front

Which part of the respiratory system warms, filters, and humidifies the air?

Back

Nasal Cavity.

Front

What important activity takes place in the lungs?

Back

Oxygen (O2) is exchanged for Carbon Dioxide (CO2).

Front

What is the main function of the respiratory system?

Back

To provide oxygen and remove carbon dioxide from the body.

Front

What muscle is primarily responsible for breathing?

Back

The diaphragm.

Front

What is the role of alveoli in the respiratory system?

Back

Alveoli are tiny air sacs where gas exchange occurs.

Front

What is the trachea's function?

Back

The trachea is a tube that carries air to and from the lungs.

Front

What is the significance of the larynx?

Back

The larynx houses the vocal cords and is involved in sound production.

Front

How does the respiratory system help regulate blood pH?

Back

By controlling the levels of carbon dioxide in the blood.

Tags

NGSS.HS-LS1-3