Respiratory System

The trachea branches off into two:

• Alveoli
• Bronchi
• Bronchioles

Another name for the throat is called the:

• Nasopharynx
• Pharynx
• Larynx

Little bags where the change between oxygen and carbon dioxide happens

• Alveolus

• Bronchioles

• Lungs

• Trachea

Tags

NGSS.HS-LS2-3

NGSS.HS-LS2-5

Which of the following options identifies the correct path that air travels to the blood?

• bronchioles — larynx — segmental bronchi — primary bronchi — lobar bronchi

• larynx — primary bronchi — trachea — lobar bronchi — bronchioles — segmental bronchi — pharynx

• pharynx — larynx — trachea — primary bronchi — bronchioles — alveolar sac — capillaries

• larynx — pharynx — lobar bronchi — primary bronchi — bronchioles — segmental bronchi

• pharynx — larynx — alveolar sac — capillaries — primary bronchi — capillaries

The ability to vary the pitch of the voice results from varying

• the force of air passing over the vocal folds.

•  the tension in the vocal folds.

• the size of the laryngeal cartilages.

• the shape of the cricoid cartilage.

• the pharynx

Boyle’s law states that the volume of a gas varies _____ with pressure at a _____ temperature.

• inversely; constantly changing
•  directly; constantly changing
• inversely; constant 
•  directly; constant

When the pressure in the lung is greater than atmospheric pressure:

•  the bronchioles are obstructed.
•  lung tissue has collapsed
• inspiration occurs.
• expiration occurs. 

The term used to describe the volume of air exchanged during normal inspiration and expiration is:

• inspiratory and expiratory reserve volume.
• vital capacity.
•  tidal volume. 
• residual volume.

The elastic cartilage that covers the opening to the larynx during swallowing is the 

• epiglottis. 
• cuneiform cartilage. 
• cricoid cartilage.
• thyroid cartilage

 The most important chemical regulator of respiration is 

• oxygen.
•  carbon dioxide.
• bicarbonate ion. 
• sodium ion. 

Tags

NGSS.HS-LS1-7