Respiratory System

We breathe in _____& breathe out ______.

• oxygen, carbon dioxide

• carbon dioxide, oxygen

What is the muscle called that assists with inhaltion & exhalation?

• diaphragm

• alveoli

• bronchus

Which structure warms & moistens the air as we breathe in?

• nose

• mouth

• sinuses

Microscopic sacs where gas exchange takes place; are called:

• alveoli

• bronchi

• villi

• capillary beds

The trachea branches off into two:

• Alveoli

• Bronchi

• Bronchioles

• divisions

Another name for the back of the throat is called the ________.

• Nasopharynx

• Pharynx

• Larynx

• Trachea

The membrane that surrounds the lungs is called:

• Singular Membrane

• Pleural Membrane

• Cellular Membrane

• Protective Membrane

Which body structure protects the lungs from outside harm?

• Cartilage

• Tiny Sacs

• The Rib Cage

• Thor

What important activity takes place in the lungs?

• Food is digested
• Waste filtered from blood
• Oxygen (O2) is exchanged for Carbon Dioxide (CO2)
• Trachea is exchanged for the larynx

What is another name for the windpipe?

• Lungs
• Trachea
• Larynx
• Esophagus