Anatomy & Physiology - Respiratory System

When you breathe, your lungs take in ___ and remove ___.

• Take in Carbon dioxide/ remove oxygen

• Take in oxygen/remove carbon dioxide

• Take in carbon monoxide/remove oxygen

• Take in oxygen/ remove carbon monoxide

What are the names of the air sacs in the lungs that are covered with capillaries where gas exchange takes place

• Bronchi

• Trachea

• Bronchioles

• Alveoli

Which structure follows the Larynx on inhalation?

• Pharynx

• Trachea

• Bronchus

• Bronchioles

What is the main function of the respiratory system?

• To provide oxygen and remove carbon dioxide from the body

• To bring oxygen to the body

• To break down food and absorb nutrients

• To remove oxygen from the body and deliver carbon dioxide

Which of the following is the correct order that air would flow during inhalation.

• Pharynx, larynx, bronchus, bronchioles, trachea alveoli

• Pharynx, larynx, trachea, bronchus, bronchioles, alveoli

• Larynx, pharynx, trachea, bronchus, bronchioles, alveoli

• Larynx, pharynx, bronchus, bronchioles, trachea, alveoli

What percentage (%) of oxygen is in the air that we breath in?

• 78%

• 4%

• 16%

• 21%

How does the diaphragm muscle work on inhalation (breathing in)?

• It contracts and flattens

• It relaxes and flattens

• It contracts and lengthens

• It relaxes and flattens

What is the site of gas exchange (diffusion) within the lungs?

• Alveoli

• Nose

• Trachea

• Bronchi

The only externally visible part of the respiratory system

• Eyes

• Nose

• Pharynx

• Larynx

Which structure follows the trachea on exhalation (breathing out)?

• Pharynx

• Larynx

• Bronchus

• Bronchioles