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- Earthworms
- Earthworms
- Sponges
- Flatworms
Explanation: They use moist cuticle for exchange
- Cockroaches
- Earthworms
- Sponges
- Mammals
Explanation: Mammals well developed system includes lungs, alveoli, bronchi and bronchioles
- 2
- 5
- 3
- 4
Explanation: Left lung is 2 lobed whereas right lung is 3 lobed
- Pharynx
- Larynx
- Epiglottis
- None of the above
Explanation: Pharynx is common passage for food and air, epiglottis prevent entry of food into wind pipe
- Vertebral column
- Sternum
- Ribs
- Diaphragm
Explanation: Sternum is ventrally formed, ribs laterally and diaphragm on the lower side
- More than atm pressure
- Less tha atm pressure
- Equal to atm pressure
- None of the above
Explanation: If the pressure is more than expiration occurs
- Conducting part
- Exchange part
- Respiratory part
- None of the above
Explanation: Alveoli and their ducts form exchange or the respiratory part
- Bronchioles
- Alveoli
- Bronchi
- Both a and c
- 12-16
- 15-16
- 20-25
- 72
- 2500-3000 ml
- 500 ml
- 1000-1100 ml
- None of the above
Explanation: 500ml is tidal volume, 1000-1100 ml is expiratory reserve volume
- TV
- IRV
- ERV
- RV
- Total lung capacity
- FRC
- RV
- TV
Explanation: Rest all aren?t measured by spirometer
- Partial pressure
- Diffusion pressure
- Osmotic pressure
- None of the above
Explanation: Partial pressure is exerted by individual gases
- 10-15
- 30-40
- 20-21
- 20-25
Explanation: Its 20-25 times higher
- 156
- 159
- 94
- 40
Explanation: O2 pressure is 159 and co2 is 0.3
- 45
- 40
- 95
- 43
Explanation: C02 pressure in deoxy blood is 45
- 6
- 7
- 20-25
- None of the above
Explanation: 7 percent is carried by plasma
- 50
- 97
- 70
- 25
- 2ml of co2 to alveoli
- 3 of co2 to alveoli
- 4ml of co2 to alveoli
- 7ml of co2 to alveoli
Explanation: It delivers of 4ml of co2
- Carbonic anhydrase
- Lysosome
- Ligase
- None of the above
Explanation: Only carbonic anhydrase is present in RBC
- Astma
- Emphysema
- Sclerosis
- None of the above
Explanation: Astma occurs due to inflammation of bronchioles
- Co2
- O2
- Both a and b
- None of the above
- Medulla
- Hypothalamus
- Pons
- None of the above
- Straight line
- Hyperbola
- Sigmoid
- Parabola
Explanation: Sigmoid curve is obtained
- High Pco2
- Low pco2
- Low H+
- None of the above
Explanation: Option b and c shift the curve left
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