Respiratory System Review

Which direction (up or down) does the diaphragm move when you inhale?

Which of the following are parts of the respiratory system? Check all that apply.

• Trachea

• Alveoli

• Esophagus

• Bronchioles

Which part of the respiratory system closely interacts with the capillaries of the circulatory system to exchange gases?

• Bronchioles

• Alveoli

• Trachea

• Bronchi

Using the terms Alveoli, Bronchioles, Trachea and Bronchi, explain the path air takes into the lung.

What is the name of the tiny air filled sacs in the lungs that exchange oxygen and carbon dioxide with capillaries?

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