Learn more about respiratory apparatus

1. THE RESPIRATORY APPARATUS
FUNCTION
Breathing in and breathing out of air using the lungs for taking
the oxygen that cells need for working
RESPIRATORY MOVEMENTS
INSPIRATION
The air enters into the lungs an
the diaphragm contracts
EXPIRATION
The air leaves the lungs

2. PARTS OF RESPITARORY APPARATUS

3. INTERCHANGING OF GASES
It occurs in the alveoli (small sacks which are in contact with blood vessels)
it consists of:
The blood releases the carbon dioxide and takes the oxygen.
The blood is now oxygenated

4. RESPIRATORY APPARATUS DISEASES
CAUSED BY VIRUS OR BACTERIAS
COLD AND FLUE
PHARYNGITIS
PNEUMONIA
INHALATION OF TOXIC SUBSTANCES
SILICOSIS
LUNG CANCER