Respiratory System

During gas exchange, your alveoli take in _____ and remove _____.

• carbon dioxide / oxygen

• oxygen / carbon dioxide

• carbon dioxide / nitrogen

• oxygen / nitrogen

What is the small flap of tissue called that covers the trachea when we swallow?

• glottis

• larynx

• pharynx

• epiglottis

The passageway behind the mouth that is shared by both the digestive and respiratory systems is the _____.

• larynx

• oropharynx

• nasopharynx

• laryngopharynx

What is also known as the voice box?

• glottis

• larynx

• pharynx

• epiglottis

What is the function of the bronchi?

• Transport air from nose to mouth

• Transport air from trachea to lungs

• Transport air from bronchioles to alveoli

• Transport air from alveoli to blood

What are the tiny tubes that branch off of the bronchi?

• capillaries

• alveoli

• bronchioles

• trachea

The air sacs that are covered with capillaries that separate gases we need, from gases we don't need, are called ______.

• bronchi

• bronchioles

• surfactant

• alveoli

Tags

NGSS.HS-LS2-5

Inner surfaces of alveoli are covered with a lipid substance called _____ which helps prevent collapsing.

• saliva

• mucus

• bronchodilators

• surfactant

Which is the correct order of structures that air passes through?

• trachea --> bronchi --> bronchioles --> alveoli

• bronchi --> trachea --> bronchioles --> alveoli

• bronchioles --> bronchi --> trachea --> alveoli

• trachea --> bronchioles --> bronchi --> alveoli

How many lobes does the left lung have?

• 1

• 2

• 3

• 4