The document defines and discusses the respiratory system, aerobic and anaerobic respiration, and disorders of the respiratory system. It provides details on aerobic respiration, which uses oxygen to oxidize glucose and release carbon dioxide and water, producing a large amount of energy. It also describes anaerobic respiration, which breaks down food molecules without oxygen, releasing less energy. Disorders mentioned include pneumonia, an acute lung inflammation, and asthma, involving cough and thick mucus due to allergens and irritants.

2. • DEFINITION AND SIGNIFICANCE OF
RESPIRATORY SYSTEM.
• AEROBIC RESPIRATION.
• ANAEAROBIC RESPIRATION.
•MECHANISM OF BREATHING.
• DIORDERS OF RESPIRATORY
SYSTEM.

3. 
EARTH WAS
BOURNE OUT OF
THE SOLAR NEBULA
WITHOUT OXYGEN.
WHY IS IT SO,

IF THER WAS NO
OXYGEN, HOW DID
LIFE BEGIN?

7. How does body convert
energy stored into foodenergy for body use?

9. AEROBIC
RESPIRATION
ANAEROBIC
RESPIRATION

10. AEROBIC RESPIRATION
• IS THE OXIDATION OF GLUCOSE IN THE
PRESENCE OF OXYGEN WITH THE RELEASE OF A
LARGE AMOUNT OF ENERGY.
• CARBON DIOXIDE AND WATER ARE RELEASED AS
WASTE PRODUCTS.
•THOSE WHO DONOT USE OXYEN TO OXIDIZE FOOD
ANAEROBIC RESPIRATION
• IS THE BREAKDOWN OF FOOD MOLECULES IN
THE ABSENCE OF OXYGEN.
• ANAEROBIC RESPIRATION RELEASES LESS
ENERGY THEN AEROBIC RESPIRATION.

16. Larynx: maintains an open airway,
routes food and air appropriately,
assists in sound production
Trachea: transports air to and from
lungs
Bronchi: branch into lungs
Lungs: transport air to alveoli for
gas exchange

17. RESPIRATION IN CELL

23.  Non-smokers
exposed to
cigarette smoke
frequently have
increased chance
of lung cancer

25.  Acute
inflammation of
the lungs.
 High fever, chills,
headache, cough
and chest pain.
 Bacterial, fungal,
or viral infections.

26.  cough
and thick
mucus
secretion.
 Pollen, cats and
cockroaches
proteins,
infections and
emotional
stress.