Respiratory System

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

• bronchi
• lungs
• oxygen
• alveoli

What is the site of gas exchange?

• alveoli

• nose

• lung

• bronchi

The only externally visible part of the respiratory system

• Eyes

• Nose

• Pharynx

• Larynx

Which part of the Respiratory System plays a major role in speech? Also known as the voice box.

• nose

• pharynx

• larynx

• trachea

The two narrower tubes branching from the trachea that leads into the lungs

• nose

• bronchi

• lungs

• alveoli

The large muscle that contracts and relaxes and moves air in and out of the lungs.

• epiglottis

• alveoli

• diaphragm

• trachea

The main organs of the respiratory system

• heart

• lungs

• esophagus

• trachea

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

What can you infer about the function of the ribcage?

• It protects the lungs.

• It helps the lungs pump oxygen.

• It delivers oxygen from the lungs to the bloodstream.

• It connects the trachea to the lungs.

What word best describes the function of the trachea?

• Pumping station

• Entrance point

• Muscle

• Passageway