Unit 2 Test Review- Transport Systems

The ​ ​ (a)   connects the nose to the throat, while the ​ (b)   connects the mouth to the throat.

• nasopharynx
• oropharynx

Reorder the path of oxygen from the nostrils to the lungs.

• nasal cavity

• pharynx

• larynx

• trachea

Reorder to show the path of oxygen after it enters the lungs.

• bronchi

• bronchioles

• alveoli

• blood

What is the function of the cilia that extend from the cells lining the respiratory system?

• Cilia help move foreign particles out of the respiratory tract.

• Cilia help transport oxygen molecules into the respiratory system.

• Cilia help regulate the temperature of the respiratory system.

• Cilia help produce mucus to protect the respiratory system.

The air sacs at the ends of the bronchioles are called

• alveoli

• Bronchus

• Surfactants

• Bronchopulmonary Segments

This area is found at the back of your mouth. It is a passageway for both food and air. It is sometimes referred to as your throat.

• larynx

• pharynx

• trachea

Air moves from the pharynx to the __________, where the vocal chords are found.

• esophagus

• larynx

• trachea

After the larynx, air moves into the windpipe, or _________.

• esophagus

• pharynx

• epiglottis

• trachea

These are small hairs that line the trachea. They trap particles from the air and push them away from the lungs toward the pharynx.

• centrioles

• lysosomes

• cilia

Each bronchus leads into a lung and divides into smaller and smaller passageways known as

• alveoli

• bronchioles

• capillaries