Question

Given below is a median (sagittal) section of the human brain. Read the information and fill in the blanks:

Brain is an important organ of the nervous system, located in the head of the human body. It is protected by a hard, bony covering known as cranium. Most of the voluntary and involuntary actions of our body are regulated by the brain. Hence, it is considered as the ‘control centre’ of the body.

Brain is а part of the (a) ______ system. It’s membranous protective covering is termed as (b) ______ which consists of three layers. The thin delicate middle layer of the membranous covering is (c) ______. The largest portion of the brain is (d) ______. Brain contains the smallest endocrine gland named, (e) ______ which is considered as the ‘Master gland’ of the human body.

Answer 1

Brain is а part of the nervous system. It’s membranous protective covering is termed as meninges which consists of three layers. The thin delicate middle layer of the membranous covering is arachnoid mater. The largest portion of the brain is cerebrum. Brain contains the smallest endocrine gland named, pituitary gland which is considered as the ‘Master gland’ of the human body.