Respiratory System

We breathe in carbon dioxide and breathe out oxygen

• True

• False

Match the following functions and parts of the respiratory system:

• inside the lungs, bronchi divide into these smaller tubes

• alveoli

• the air breathed in by the body is pulled in through the nose/mouth and down this part

• bronchi

• tiny air sacs at the end of the bronchioles

• bronchioles

• rings that shape the trachea

• trachea

• tubes that carry air into the lungs

• cartilage

What are small blood vessels with thin walls that are wrapped around alveoli to deliver blood back and forth to the lungs?

• capillaries

• lungs

• bronchi

What is the biochemical compond that combines with oxygen and diffuses into the cell?

• hemoglobin

• carbon dioxide

• pitocin

In which direction is the diaphragm moving while inhaling?

• Up

• Down

In which direction is the diaphragm moving while exhaling?

• Up

• Down

What is another name for the larynx?

• Trachea

• Pharynx

• Voice Box

• Bronchioles

The Respiratory system contains two bronchi

• True

• False

Where are the alveoli located?

• Between the larynx and pharynx

• Between the bronchi and bronchioles

• At the end of the bronchioles

The Respiratory and Circulatory systems work together to give the body the ​ (a)   it needs.​

• oxygen
• blood
• carbon dioxide