Respiratory System

Which 2 substances are exchanged in the Respiratory System?

• oxygen and nitrogen
• carbon dioxide and oxygen
• oxygen and glucose
• glucose and carbon dioxide

Tags

NGSS.MS-LS1-3

The trachea branches off into two:

• Alveoli
• Bronchi
• Bronchioles

Another name for the throat is called the:

• Nasopharynx
• Pharynx
• Larynx

We breathe in carbon dioxide and breathe out oxygen

• True

• False

The respiratory system takes in oxygen and gives out _____

• Carbon dioxide

• More oxygen

• Air and nutrients

Little bags where the change between oxygen and carbon dioxide happens

• Alveolus

• Bronchioles

• Lungs

• Trachea

After air moves through the pharynx it continues downward. The _____, or windpipe, directs the air into 2 separate branches or tubes.

• mucus
• trachea
• larynx
• epiglottis

cleans, moistens, and warms the air

• trachea
• larynx
• nasal cavity

• pharynx

known as the voice box

• windpipe
• larynx
• pharynx
• epiglottis

a flap of tissue that closes when we eat so food doesn't not go down the trachea

• larynx
• pharynx
• trachea
• epiglottis