Human Body Review

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 is function of the dome-shaped diaphragm muscle?

• This is where gas exchange happens.

• Air passes through the diaphragm on the way to the lungs.

• It attaches to the lungs and contracts and relaxes to help breathing.

What is A?

Click on image to enlarge.

• Right bronchus

• Alveolii

• Trachea

• Diaphragm

What is G?

Click on image to enlarge.

• Intercostal muscle

• Heart

• Bronchiole

• Diaphragm

What digestive enzyme is produced by the liver to break down fats?

• Glucose

• Glycogen

• Bile

• Fats

the windpipe; a passage through which air moves in the respiratory system.

• trachea

• lungs

• larynx

• bronchi

Another main function of the respiratory system is to remove ______ _______ gas from the body. This can be toxic to the cells if it is not removed.

• nitrogen

• oxygen

• carbon dioxide

• helium

Arteries carry (almost always) oxygenated blood

• Towards the heart

• Towards the lungs

• Away from the heart

• Away from the lungs

When you breathe, your lungs take in ___ and remove ___.

• air, oxygen

• oxygen, carbon dioxide

• carbon dioxide, waste

• waste, air

The main function of the respiratory system is to deliver ______ to your cells. This allows them to undergo respiration, allowing them to function, grow and repair.

• helium

• carbon monoxide

• carbon dioxide

• oxygen