Respiratory System - Unit 8

Which of the following is a primary function of the respiratory system?

• A) Digestion

• B) Circulation

• C) Gas exchange

• D) Hormone production

The respiratory system is responsible for transporting _______ to the body's cells.

• Nutrients

• Oxygen

• Carbon dioxide

• Hormones

What is the primary function of respiration in the human body?

• To bring oxygen into the body and remove carbon dioxide

• To produce energy

• To digest food

• To circulate blood.

Respiration is vital in ______ production.

• energy

• speech

• digestion

• circulation

What is the primary function of the conducting zone in the respiratory system?

• To exchange gases

• To provide areas for external air to travel into or out of the lungs

• To produce mucus

• To filter blood

The lining of the conducting zone is made up of ________ with goblet cells.

• Simple squamous epithelium

• Stratified squamous epithelium

• Pseudostratified ciliated columnar epithelium

• Transitional epithelium

What is the function of the nasal cavity in the conducting zone?

• To increase surface area and remove debris

• To produce sound

• To digest food

• To pump blood

The pharynx is subdivided into three parts: nasopharynx (upper), oropharynx (middle), and _______ (lower).

• Laryngopharynx

• Trachea

• Nasal cavity

• Epiglottis

What is the function of the larynx?

• It produces sound by vibrating vocal cords.

• It digests food.

• It pumps blood.

• It filters air.

The trachea is also known as the ______.

• A) voice box

• B) windpipe

• C) food pipe

• D) blood vessel