The primary organs of the respiratory system are the:

• Lungs

• Heart

• Trachea

• Bronchioles

Which is NOT a function of the respiratory system?

• It warms the air entering the body.

• It exchanges oxygen and carbon dioxide.

• It pumps blood to the organs.

• It creates sound through the voice box.

The respiratory system begins in the:

• Diaphragm

• Lungs

• Nose and mouth

• Pharynx

This passageway is part of both the respiratory and digestive systems:

• Larynx

• Pharynx

• Nasal cavity

• Trachea

What is the Bronchus?

• The main airway that divides into two tubes leading to each lung.

• A small air sac in the lungs.

• The muscle that separates the chest from the abdomen.

• A part of the digestive system.

What is the Diaphragm?

• A part of the circulatory system.

• A muscle that helps us breathe by expanding and contracting the chest cavity.

• A tube that connects the throat to the lungs.

• The main organ for filtering blood.

The place in the lungs where gases exchange is the:

• Alveoli

• Diaphragm

• Bronchus

• Nose and mouth

The muscular organ that holds the vocal cords is the:

• Epiglottis

• Pharynx

• Larynx

• Trachea

The ____________ carries air to the left and right bronchus.

• Esophagus

• Bronchioles

• Alveoli

• Trachea

Which is NOT a disease of the respiratory system?

• Diabetes

• COPD

• Asthma

• Bronchitis