Respiratory System Review

What is the main function of the respiratory system?

• To supply the body with oxygen and remove carbon dioxide.

• To digest food and absorb nutrients.

• To circulate blood throughout the body.

• To regulate body temperature and maintain homeostasis.

The _____ divides into two main sections or branches from the Trachea.

• Lungs

• Bronchi

• Alveoli

• Diaphragm

What is the role of cilia in the respiratory system?

• To trap and move particles out of the airways.

• To facilitate gas exchange in the alveoli.

• To produce mucus for lubrication.

• To filter blood in the kidneys.

_____ are the site where Oxygen and Carbon Dioxide exchange inside the lungs.

• Bronchi

• Alveoli

• Trachea

• Larynx

What is the process of gas exchange in the lungs called?

• Respiration

• Ventilation

• Diffusion

• Oxygenation

What are the tiny air sacs in the lungs called?

• Bronchi

• Alveoli

• Capillaries

• Trachea

How many lungs do humans have?

• One

• Two

• Three

• Four

What are the two main branches of the trachea called?

• Bronchi

• Alveoli

• Lungs

• Diaphragm

Breathing air into lungs

• Exhalation

• Inhalation

• Respiration

• Ventilation

What is the flap that covers the trachea during swallowing?

• Epiglottis

• Larynx

• Pharynx

• Uvula