Respiratory System

What is the main function of the respiratory system?

• to break food down

• supply the blood with oxygen

• absorption of nutrients

• circulate the blood

The trachea is a part of the respiratory system. What can the trachea also be called and what is its function?

• windpipe, filters the air we breathe

• windpipe, releases air out of the body

• tubes; carries air to the lungs

• transport of oxygen

When you breathe out, what gas does the body get rid of?

• When you breathe out your body gets rid of nitrogen gas

• When you breathe out your body gets rid of carbon dioxide gas.

• When you breathe out your body gets rid of carbon monoxide gas.

• When you breathe out your body gets rid of oxygen gas

Tags

NGSS.HS-LS1-7

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What are capillaries?

• Capillaries are tiny lung sacs in your lungs.

• Capillaries are tiny blood vessels in your lungs.

• Capillaries are tiny blood cells in your lungs.

• Capillaries are large blood cells in your lungs

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What happens when you breathe in?

• When you breathe in your diaphragm expands and your ribcage contracts.

• When you breathe in your diaphragm contracts and your ribcage expands

• When you breathe in your diaphragm explodes and your ribcage contradicts.

• When you breathe in your diaphragm does not move and your ribcage expands

Tags

NGSS.HS-LS1-7

The space at the back of the mouth, that leads either to the airway or the esophagus is the:

• larynx

• conchae

• nasal cavity

• pharynx

The voice box is also known as the ______________________.

• Alveoli

• Larynx

• Motormouth

• Esophagus

The tiny hairs that keep mucus and dirt out of your lungs are called _____________.

• Lung hairs.

• Stubble

• Bronchioles

• Cilia

What muscles allow you to breathe in and out?

• The muscles that allow you to breathe in and out is the nose.

• The muscles that allow you to breathe in and out is the trachea.

• The muscles that allow you to breathe in and out is the tongue.

• The muscles that allow you to breathe in and out is the diaphragm.

Which part of the body is not used for the respiratory system to work?

• mouth

• nose

• small intestine

• diaphragm