C.W notes endocrine and exocrine system, boilogy

Question 1

what is a hormone

Answer 1

chemical substance secreated by endocrine gland, they are poured directly into blood streams and acts on targetted organ organ or cell

Question 2

what is endocrine gland

Answer 2

endocrine gland send their secreations through targeted organ eg pancreas

Question 3

what is exocrine gland

Answer 3

they are ductless glands and send their secreations through hormones and are directly poured into blood steam and are carried by blood to targetted organs

Question 4

why is pituitary gland called the master gland

Answer 4

it is a pea sized gland located below the brain
it secreates several hormones
some of which regulate the activity of other endocrine gland

Question 5

explain the importance of physical hygine during adolesence

Answer 5

personal hygine plays a very important role is maintaining ones very own health, if cleaniness is not maintained during adolesence there are chances of catching bacterial infections

Question 6

4 activity which can be practised to overcome stress

Answer 6

yoga
exercise
proper sleep
reading habits

Question 7

3 dieses caused due to insufficient secreation of thyroxine

Answer 7

simple goitre ;- caused due to enlargement of thyroid gland
it appears as a swelling in the neck
occurs due to insufficient iodine in our food

Question 8

2nd dieses

Answer 8

cretism ;- abnormal development in infants
results both physically and mentally

Question 9

3rd dieses

Answer 9

myxoedema ;- condition seen in adults when there is insufficient iodine in human body
it appears as swelling on the face and hands

Question 10

the hormone secreated from pituitary gland and explain its function

Answer 10

growth hormone, functions are growth in height and helping build our bones and muscles

Question 11

2 hormone secreated by adrenal medulla

Answer 11

adrenaline and noradrenelive