Question

define cutanous respiration and pulmonary respiration

Answer 1

cutaneous respiration:

                                     Cutaneous respiration is a form of respiration in which gas exchange occurs across the skin or outer integument of an organism rather than gills or lungs. Cutaneous respiration may be the sole method of gas exchange, or may accompany other forms, such as ventilation.

pulmonery respiration:

                                    pulmonary respiration is the process by which oxygen enters and carbon dioxide exits the alveoli, respiration is the process by which oxygen and carbon dioxide diffuse in and out of the blood. Respiration is also referred to as gas exchange, and it occurs in two areas of the body.

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Answer 2

Answer:

Cutaneous Respiration:

• The skin of frog provides an extensive surface for exchange of gases.

• It is thin richly supplied with blood and kept moist by the mucus and water. The cutaneous respiration is always carried out.

• It is practically the only mode of respiration when the frog is under water.

• Dissolved oxygen in the water is exchanged through the moist surface of the skin by diffusion.

Pulmonary Respiration:

• On land, the buccal cavity, skin and lungs all act as the respiratory organs.

• Breathing on land in atmospheric air with the help of lungs is called pulmonary respiration.

• It involves lungs and respiratory tract.

• The lungs are a pair of elongated, thin-walled, elastic, pink-coloured sacs present in the upper part of trunk region, i.e., thorax.

• The inner surface of each lung is divided by a series of partitions, the septa into many small cavities known as alveoli.

• Air enters into the buccal cavity through nostrils and then into lungs.