Question

Describe the different respiratory systems in animals with examples ? In Long Answer ​

Answer 1

Answer:

Gills, integumentary exchange areas, and lungs are the three major types of respiratory structures in the vertebrates. Amphibians are able to exchange gases through their moist skin. Fish have gills while mammals, birds, and reptiles have lung

Explanation:

Respiration in plants Respiration in animals

1. plants only respire Animals breath air for cellular respiration.

2. Plant obtain oxygen directly from the air through stomata. Animals inhale oxygen from nose or gills into respiratory organs.

3. Carbon dioxide released during respiration is utilized by plants for photosynthesis. Carbon dioxide released during respiration is not utilized by animals.

a) Respiration in roots: Oxygen present in the airspace of the soil get diffused into the root hairs.

Image result for respiration in stems

Respiration in stems: In higher plants, stem possesses small opening called as lenticles through which oxygen get diffused. In the case of plants with green stems, they possess stomata through which oxygen get diffused.

Image result for respiration in stems lenticles of plants

Respiration in leaves: Leaves possess small opening called as stomata through which exchange of gases takes place. The opening and closing of stomata help in the exchange of gases between leaves and atmosphere and it is controlled by the guard cells.

Image result for respiration in leaves

Answer 2

Answer:

Respiration process involves the exchange of gases in the environment. Every living species, from a single-celled organism to dominant multicellular organisms, perform respiration.  

Various modes of respiration in animals are as follows:

i) Respiration through skin:

Some organisms such as Amoeba, Euglena and Paramecium breathe through the cell membrane. The exchange of air takes place through their outer cell membrane.  

Earthworms and other soil-dwelling animals use their skin to receive oxygen from the air and expel carbon dioxide. The earthworm’s skin serves as its respiratory organ.

ii) Respiration through gills:

Gills are respiratory organs found in aquatic creatures such as fish, prawns and mussels. They extract oxygen dissolved in water and remove carbon dioxide from the body.

iii) Respiration through lungs:

The lungs are the respiratory organs of land creatures such as birds, lizards, dogs and frogs. Frogs, on the other hand, breathe through both their lungs and their skin.

iv) Respiration through air-holes:

Insects such as cockroaches and grasshoppers breathe through the long tube-like structures called the tracheal system. Each trachea has openings called spiracles that allow the exchange of gases.

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