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Respiratory System Anatomy and Physiology (Grades 11-12)

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Respiratory System Anatomy and Physiology

The                 system is the body system in which gas exchange takes place.
  1. respiratory
  2. circulatory
  3. lymphatic
  4. metabolic
Write the letter (A - K) that corresponds with each structure of the respiratory system.
Respiratory System

Right bronchus           

Left bronchus           









What is the main function of the nose?
  1. to exchange oxygen with carbon dioxide
  2. to warm and moisten the air entering the body
  3. to create the force that causes inspiration
  4. to initiate blood flow to the lungs for gas exchange
What part of the brain is considered the control center for breathing?
  1. cerebrum
  2. cerebellum
  3. frontal lobe
  4. medulla oblongata
What is the function of the pharynx?
  1. The pharynx serves as the passage between the mouth and the trachea.
  2. The pharynx is the specific location where gas exchange occurs in the lungs.
  3. The pharynx keeps foreign particles from entering the respiratory system.
  4. The pharynx is essential for maintaining proper concentrations of gases within the blood.
The instrument used by doctors to measure the volume of air exchanged while breathing is called a(n)                           .
What is the tidal volume in reference to breathing?
  1. Tidal volume is the amount of air left in the lungs after a forced exhalation.
  2. Tidal volume is the amount of air that is exchanged during a normal inhalation and expiration.
  3. Tidal volume is the maximum amount of air that can be forced into the lungs at any given time.
  4. Tidal volume is the amount of air that can be taken in during a normal inspiration.
Which molecule is an essential part of the process of gas exchange within the lungs?
  1. keratin
  2. hemoglobin
  3. glucose
  4. chlorophyll
How is Boyle's Law related to the process of breathing?

                   is a common disorder of the respiratory system that is characterized by recurring inflammation of the bronchi, making it very hard to breathe.

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