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Respiratory System

How many times do we breath each day? 20,000
What is diffusion? Gas Exchange
What is a hemoglobin? A molecule in red blood cells that pick up and carry oxygen and carbon dioxide.
How many bronchioles are in each lung? 30,000
How many alveoli are in each lung 600 million
What does your diaphragm do when you breath in? Contracts and moves down
What does your diaphragm do when you breath out? Relaxes and moves upwards
What is cilia? Tiny hairs in the trachea that move up and down to keep mucus and dirt out of your lungs.
What are pleural membranes Two slick layers that prevent air from getting stuck as the lungs fill and empty
What happens when you exahale CO2 when your vocal cords are closed? The vocal cords vibrate and a sound is made.
Created by: diyak09970