1. WELCOME

2. Submitted to
Dr. Padma Priya
Asst. Proffeser
NSSTC Pandalam

3. Submitted by
Sujina K V
NSSTC Pandalam
Role No : 116

4. Date of submission : 01. 09. 2014
Monday

5. RESPIRATORY SYSTEM

7. PARTS OF RESPIRATORY SYSTEM
• NOSTRILS
• NASAL CAVITY
• PHARYNX
• TRACHEA
• BRONCHI
• BRONCHIOLES
• ALVEOLI

9. NOSTRILS
• Opening through which air enters into the
body
• Minute hair and mucus prevent entry of dust
and germs

11. • Nostrils are followed by nasal cavity
• Nasal cavity opens into pharynx
• Oesophagus and trachea starts from pharynx

13. . Branches of trachea : Bronchi
• Each bronchus open into lungs
• Bronchi devides into small branches :
Bronchioles
• Bronchioles enter into alveoli

15. • Alveoli increase the surface area of lungs and
efficiency of exchange of gases

17. LUNGS
• Found on either side of thoracic cavity
• Protected with pleura and pleural fluid

19. THANK
YOU