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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
What is the site of gaseous exchange in an insect ?

In insects there is direct respiration. The fresh air reaches to all cells of body via trachea. The air enters into body through spiracles, trachea, branches of trachea and tracheoles. The tips of tracheoles have tissue fluid. The O2 of air from tip of tracheoles diffuses into cells and COfrom tips of tracheoles diffuse outside. Thus, site for exchange of gases are tips of tracheoles in insects.
199 Views

Oxygen is carried by haemoglobin as?

Oxyhaemoglobin.
415 Views

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

20 - 25 times
414 Views

What is the partial pressure of oxygen in  oxygenated blood ?

95 mm Hg
702 Views

Name the cavity having lungs.

Thoracic cavity.
448 Views

70% of carbondioxide is transported as ?

Bicarbonate
360 Views