Q9 of 10 Page 178

Explain the functions of various endocrine glands by presenting an act like ‘Why I Am Important?’

Hello!! I am pituitary gland, I secrete many hormones, I am important because I regulates growth and stimulate other glands to secrete their hormones.

Hello!! I am thyroid gland, I secrete thyroxine, I am important because I control growth and metabolic activities.


Hello!! I am adrenal gland, I secrete adrenaline, I am important because I help in bearing stress during emergency.


Hello!! I am thymus gland, I secrete thymosin, I am important because I protect your body from diseases.


More from this chapter

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6

Answer the following.

A. Explain chemical co-ordination in humans and give the names and functions of some hormones.


B. Explain the difference between the excretory system of humans and plants.


C. Explain co-ordination in plants with the help of suitable examples.

 7

Explain in your own words with suitable examples.

A. What is meant by co-ordination?


B. How does excretion occur in human beings?


C. How is excretion in plants useful to human beings?


D. Describe the transportation system in plants.

 8

Collect information about the evolution of the brain of vertebrates and present it in the classroom.

 10

Collect the information to justify the statement ‘Human beings are intelligent and different from other animals’ and present it in the classroom.