Show:
Method of Breathing
Functioning
Respiratory System
100
Oxygen is breathed in through which two air ways?
a.) The mouth and the nostrils
100
What gas is removed from inhaled air?
a.) Oxygen
100
The ________ is often called the wind pipe.
a.) Trachea
200
(FILL IN THE BLANK) The function of the respiratory system is to provide the body with _______ and remove ___________.
a.) Oxygen/carbon dioxide
200
How does oxygen enter the body?
a.) When you inhale air
200
Air enters the two ______ which lead into the lungs.
a.) Bronchial tubes
300
What gases are added to inhaled air then exhaled?
a.) Carbon and water
300
What is the diaphragm?
a.) The large breathing muscle that seperates the heart and lungs from the abdominal cavity contracts
300
What are alveoli?
a.) Tiny sacs that air enters at the end of the small tubes.
400
Breathing begins when the _______________ contracts.
a.) Diaphragm
400
What are bronchial tubes called when they branch into smaller tubes?
a.) Bronchioles
400
What are small blood vessels , only one cell thick?
a.) Capillaries
500
Where is oxygen in the air exchanged for carbon dioxide occur?
a.) In the capillaries
500
When the diaphram relaxes,____________________ that was in the tiny sacs, is forced out of the body in a reverse system of taking in air.
a.) Carbon Dioxide
500
When the diapragm relaxes, carbon dioxide that was in the tiny sacs does what?
a.) Is forced out of the body in a reverse system of taking air