Question

Collect information about the types of fuels used for cooking in your area.Discuss with your parents/teachers/others which fuel is less polluting and write the reason

2.What is the difference between pores present in insects and leaves of a plant?

3.What is the difference between pores present in insects and leaves of a plant? a neat labelled diagram of kidney and write a note about kidney disorders.

4.Prepare a herbarium of a flowering plant and a single flower of it.Label the diffrent parts of the flower.

5.Measure the breathing rate of your family members and some of your friends.
Investigate： a.if the breathing rate of children is different from that of adults b.If the breathing rate of male is different from that of female​

Answer 1

Answer:

Answer : Spiracles are the tiny pores present in the insects like cockroaches which help in gaseous exchange whereas stomata are the openings present on the surface of the leaves. ... Spiracles are present laterally i.e. on the sides of the body of the organism whereas the stomata are present on the surface of the leaves.

The pores through which leaves exchange gases is Stomata. They are the small openings present on the inner surface of the leaves. Stomata can be opened and closed. During night when no photosynthesis take place the plant breathe in oxygen and breathe out carbon dioxide through stomata. The plant lose water in the form of vapour through stomata. The loss of water through stomata is called transpiration. Transpiration helps the plant in cooling the leaves.

The breathing of males and females are different.

The reasons can be due to the fact that children have smaller lungs and the oxygen getting inhaled is lesser and they have to quickly breathe more to incorporate more oxygen

Explanation:

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