Question

mention the different respiratory organs in organisms with example ​

Answer 1

Various Modes of respiration in animals:

• In simple unicellular animals like Amoeba, respiration takes place by the simple diffusion of gases through the cell membrane. Most of the animals have, however, specific organs for respiration.

• The animals like earthworms which live in the soil use their skin to absorb oxygen from air and remove carbon dioxide. So, the respiratory organ in the earthworm is the skin.

• The aquatic animals like fish, prawns and mussels have gills as the respiratory organs which extract oxygen dissolved in water and take away carbon dioxide from the body.

• In the insects like grasshopper, cockroach, housefly and a mosquito, the tiny holes called spiracles on their body and the air tubes called tracheae are the respiratory organs.

• The respiratory organs of the land animals such as man (humans), birds, lizard, dog and frog etc. are the lungs. However, Frogs breathe both by lungs and skin.

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Answer 2

Answer:

Respiration in Animals

• Through Plasma Membrane. In unicellular animals, such as amoeba, exchange of gases takes place through cell surface.
• Through Body Wall or Skin. Tapeworms, earthworms, and leeches use their skin for the exchange of gases.
• Through Tracheal System.
• Through Gills.
• Through lungs.