Respiratory System

Microscopic sacs where gas exchange takes place; are called:

• alveoli

• bronchi

• villi

• capillary beds

The trachea branches off into two:

• alveoli

• bronchi

• bronchioles

• divisions

The common passageway for food, liquids, and air that connects the nasal and oral cavities is the _____

• pharynx

• esophagus

• larynx

• trachea

The serous membrane that surrounds the lungs is called the

• pericardium membrane

• pleural membrane

• peritoneum membrane

• protective membrane

What is another name for the windpipe?

• lungs

• trachea

• larynx

• esophagus

Which system shares the pharynx with the respiratory system?

• circulatory

• digestive

• excretory

• skeletal

A small flap of tissue that covers the trachea when swallowing is called the

• bronchi

• larynx

• pharynx

• epiglottis

The bronchi branch out into many different smaller tubes which take oxygen to the alveoli. What are these tiny tubes called?

• trachea

• larynx

• pharynx

• bronchioles

The left lung has three lobes and the right lung has two. 

• True
• False

Label the image.

f

g

h

i

j

e

d

c

b

a

Larynx

Left Lung

Trachea

Right Main Brochus

Nasal Cavity

Diaphragm

Right Lung

Pharynx

Left Main Bronchus

Oral Cavity