Bill Nye Respiratory System

What is the main function of the respiratory system?

• to provide oxygen and remove carbon dioxide from the body

• to break down food and absorb nutrients

• to remove oxygen from the body and deliver carbon dioxide

In the Bill Nye video, he Bill shows how the diaphragm is pulled down when someone inhales. What do you think is the best answer to show the 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 in breathing.

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

• air/oxygen

• oxygen/carbon dioxide 

• carbon dioxide/waste 

• waste/air 

Tags

NGSS.MS-LS1-3

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

• bronchi

• lungs

• oxygen

• alveoli

What body system exchanges gases?

• muscular

• nervous

• respiratory

• digestive

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

The Main tube that takes air to your lungs

• bronchi

• bronchioles

• trachea

• air sacs

In the lungs, bronchi branch into smaller tubes called

• alveoli

• bronchioles

• trachea

• capillaries

Animals exchange ​ (a)   for ​ (b)   through respiratory system

• blood

• hydrogen

• gas

• energy

• oxygen

• carbon dioxide

Where are the alveoli located?

• Between the larynx and pharynx

• Between the bronchi and bronchioles

• At the end of the bronchioles