Show:
Air and its Path
Gas exchange
How you Breathe and Speak
100
The respiratory system moves this from the outside environment into the body
What is oxygen?
100
These passages direct air to the lungs
What are bronchi?
100
The diaphragm moves upward when air is exhaled from these
What are the lungs?
200
Two items that are removed from the body
What are carbon dioxide and water?
200
These sacs of lung tissue move gases between air and blood
What are alveoli?
200
These contract when you breathe in
What are rib muscles?
300
Lining in the nose are coated with these to trap particles and warm and moisten air
What are the cilia?
300
Carbon dioxide and water pass from this to the alveoli
What is blood?
300
A large dome shaped muscle that moves when you breathe
What is the diaphragm?
400
After air enters the alveolus, oxygen passes through this into the blood
What is the capillary wall?
500
Another name for the windpipe
What is the trachea?
500
This organ provides a large surface area in a small space
What are the lungs?