Respiration

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

• air/oxygen

• oxygen/carbon dioxide

• carbon dioxide/waste

• waste/air

Tags

NGSS.HS-LS2-5

The two main branches from the trachea (one to each lung)

• bronchi
• alveoli
• capillaries
• bronchioles

The air sacs that are covered with capillaries that separate gases we need from gases we don't need.

• bronchi
• lungs
• oxygen
• alveoli

Tags

NGSS.HS-LS2-3

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

Within the lungs, the exchange of oxygen and carbon dioxide occurs between the ___ and the capillaries.

• trachea

• bronchi

• alveoli

• diaphragm

Enable aquatic animals to diffuse oxygen

• gills
• spiracles
• crop
• nerve net 

Tiny holes in the side of an insect (oxygen in, carbon dioxide out)

• gills
• spiracles
• crop
• nerve net 

Skin is use by frog for breathing.

• true
• false

What is labelled as 2?

• Right Atrium
• Right Ventricle
• Left Atrium
• Left Ventricle

What is labelled as 7?

• Left Atrum
• Left Ventricle
• Mitrial Valve
• Aortic Valve