Question

Q.9 only
answer should correct
not for time pass

Answer 1

b) Two reason for carbon forming a large number of compounds are:
i) Due to catenation property 
ii) Due to its small size and tetravalency.

Answer 2

Hey friend !!!

Endocrine system -- a group of endocrine glands which produce various Harmon's is called endocrine system .

endocrine glands is controlled by our nervous system .

the Harmons produces by endocrine glands act the organs of our body..

The endocrine system glands present in human body ..I .e - pineal gland , hypothalamus gland ,putitury gland ,thyroid gland , parathyroid; thymus gland pancreas; adrenal glands.

©let us explain each glands ....®

1 ----------.Adrenal gland -----
Adrenaline glands make adrainaline harmons .

The adrenaline harmons prepaire our body to function at maximum efficiency during emergency situations like - danger ,anger ,excitement , etc .


2 ,Hypothelmus gland ...

Hypothalamus gland present just below the brain hypothalamus realising Harmons " and inhabotory harmons .'

the function of this glands is to regulate the secretion of Harmons from putitury gland

3. ---thyroid gland ----

= >Thyroid gland gland is attached to the wind pipe in our body , thyroid gland makes a Harmons known as thyroixine harmon ...

the function of thyroixine Harmon to control the rate of metabolism of carbohydrates ,fats and proteins in the body.

4 .Thymus gland

Thymus gland lies in the Lowe part of the necj and upper part of chest .thymus gland se rates Harmons which plays a role in the development of the immune system of the body .thymus gland is large in young children but shrink after puberty .


hope it helps you !!!

@Rajukumar111