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Breathing and Exchange of Gases

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Biology

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Biology

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CBSE Gujarat Board Haryana Board

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Class 10 Class 12
Describe the types of respiration.

There are two types of respiration :

1. Direct respiration : In this type the atmospheric oxygen directly reaches all the cells of the body .e.g., protozoans, flat worms, coelentrates, insects etc.

2. Indirect respiration : It is the respiration in which oxygen first combines with blood in respiratory organs and then blood transports the oxygen to all the cells of the body e.g. earthworm, frog, human being etc.

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70% of carbondioxide is transported as ?

Bicarbonate
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What is the partial pressure of oxygen in  oxygenated blood ?

95 mm Hg
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Oxygen is carried by haemoglobin as?

Oxyhaemoglobin.
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Name the cavity having lungs.

Thoracic cavity.
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By what amount the solubility of carbondioxide is more than the solubility of oxygen?

20 - 25 times
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