Question

18 a) i) Draw a neat diagram of human brain and ii) Label Medulla and Cerebellum iii) Write the functions of the above mentioned parts b) ”Both overproduction and underproduction of Growth hormone leads to disorders in the body.” Explain 5m

Answer 1

hey dear your answer is in attachment

Answer 2

ANSWER :

A. (i) Refer to the attachment for viewing the figure of brain of human beings.

(ii) They are labelled in the attachment with the answer.

(iii) Medulla : This acts as the main centre for controlling respiration and circulation. They have the function to regulate the circulation of blood, digesting foods, breathing, sneezing, etc.

Cerebellum : It has the function to accept the messages send by the spinal cord. It controls voluntary actions like speech, balance, etc.

B. If growth hormone is produced in excess amount, a disorder is caused which is termed as Acromegaly. And if the growth hormone is not released in adequate amount, then it causes dwarfism.