Question

List four different ways in which organisms carry out exchange of gases for respiration ,withone example of each. ​

Answer 1

Answer:

The means are as follows:

1.Fishes respire using their gills.

2.Earthworms use their skin for respiration.

3.Insects such as cockroaches breathe through 4.several tracheal tubes in their bodies.

5.Humans and many other animals such as cows, goats etc. 6. respire through external nostrils, which supplies air to their lungs.

Answer 2

Explanation:

1. diffusion - respiration through cytoplasm eg amoeba.

2. Cutaneous reapiration - respiration through skin eg earthworm.

3. bronchial respiration - respiration through gills eg fishes - catla , rohu.

4 tracheal respiration- respiration through spiraches (body holes) and trachea ( air tubes ) eg cockroaches.

5 pulmonary respiration - respiration through lungs eg human beings.

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