Respiratory System

The air sacs that are covered with capillaries where gas exchange takes place

• bronchi
• lungs
• oxygen
• alveoli

What is the main function of the respiratory system?

• to provide oxygen and remove carbon dioxide from the body
• to bring oxygen to the body
• to break down food and absorb nutrients
• to remove oxygen from the body and deliver carbon dioxide

A chamber behind the nose and mouth that leads to the trachea

• pharynx
• trachea
• epiglottis
• larynx

Which part of the Respiratory System plays a major role in speech?

• nose

• pharynx

• larynx

• trachea

a dome shaped sheet of muscle, the _________, separates the chest from the abdomen

• diaphragm
• epiglottis
• alveoli
• bronchial tubes

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

• larynx
• pharynx
• trachea
• epiglottis

Name the organ label # 6. 

• alveoli 
• bronchi 
• trachea 
• lungs 

What is the name of the two main branches from the trachea (one to each lung)?

• bronchi

• alveoli

• capillaries

• bronchioles

When air pressure inside the lungs is less than air pressure in the atmosphere...

• Air moves into the lungs
• Air moves out of the lungs

What occurs during inhalation?

• A

• B

• C

• D