The
Endocrine System
1.Define the following:-
(a)Hormones:-Chemical coordination in living
beings is brought about by chemical substances called Hormones.
(b)Endocrine System:-The hormones in our body is produced
in some special organs which are called Endocrine glands.
(c)Adolescence:-The period following the onset of
puberty during which a young person develops from a child into an adult is
called adolescence.
(d)Puberty:-The period of human development that
occurs during the teenage years between the end of childhood and starting of
adulthood is called puberty.
(e)Stress:-Stress is he feeling of being under
too much pressure either mental or emotional.
2.Name The
Following:-
(a)Five endocrine glands find in the
human body?
Ans-The five endocrine glands found in
the human body are:-
1)Pituitary
gland
2)Thyroid
gland
3)Parathyroid
gland
4)Adrenal
gland
5)Pancreas
(b)Master gland in the human body?
Ans-The pituitary gland is known as the
master gland of the body as it regulates the activity of other
endocrine glands.
3.Answer
The Following Questions:-
Qa)Describe two
characteristic features of hormones?
Ans-The two characteristic features of
the hormones are :-
1)Maintaining
a constant environment inside the body.
2)Producing
long term changes such as a child’s growth and sexual maturation.
3)Expressing
emotions such as fear ,anger ,joy and despair.
Qb)What causes diabetes?
Ans-A diabetic person has a high
concentration of sugar in the blood .Diabetes is a condition in which the
insulin produced by the pancreas lowers the blood glucose.
Qc)Which gland creates insulin?
Ans-The pancreas is the gland in the
human body which secrets insulin.it is present in the abdomen near
stomach.The functions of the pancreas
gland are:-
1)Sugar
metabolism
2)Lack of
insulin cause diabetes
Qd)What happens when thyroid gland
secretes less hormone?
Ans-The thyroid gland in our body secrets the
hormone called thyroxine.
Insufficient secretion of thyroxine causes the swelling of the thyroid gland called as goiter
Qe)What happens in an adolescent boys
body under the influence of hormones?
Ans-The changes which occurs in a boys
body during the period of adolescence are:-
1) They boys
develop broader shoulders.
2) body
muscles grow more.
3) They
begin to develop facial hairs like mustaches and beard.
Qf)What happens in an adolescent
girl’s body under influence of hormones?
Ans-The changes that happens in a girls
body under the influence of hormones are:-
1)The region
below their waist become wider.
2)In girls
,breasts begin to begin to develop at maturity.
Qg)How can you manage stress?
Ans-Some tips to manage stress are as
followed:-
1)Avoid
caffeine , alcohol and nicotine.
2)Indulge in
any physical activities .
3)Get more
sleep.
4)Try
relaxation techniques like yoga and meditation
5)Talk to
your friends.
6)Manage
your time.
Qh)Name the disease caused by the
failure of the glands to produce insulin?
Ans-The pancreas gland in our body
produces the hormone called insulin. If the pancreas gland stops producing
insulin ,then the lack of insulin in our body will lead to diabetes.
Qi)What do you mean by Stress
management?
Ans-Stress management refers to the wide
spectrum of techniques and therapies aimed at controlling a person’s level of
stress ,usually for the purpose of improving everyday functioning .
Qj)What are the importance of the
personal hygiene?
Ans-The importance of personal hygiene
are as followed:-
1)It helps
us to keep our body strong and healthy.
2)It helps
to prevent diseases.
3)It helps
us to give a good appearance.
4)It help us
to have a better self esteem
5)It not
only prevents us from illness but also provides added personal and social
benefits.
Qk)What do you mean by endocrine
glands?
Ans-Chemical coordination in human body
is brought by some chemical elements called as hormones .These hormones are
secreted by some special glands called as endocrine glands. There are two types
of endocrine glands:-
1)Exocrine
glands-the secretions of endocrine glands are sent through ducts directly to
the target or specific location.Ex-tear glands
2)Endocrine
glands-the secretions of endocrine glands are called as hormones. Which are
released directly into the blood for transport to the target organ.
QL)Name the major endocrine glands
present in the human body?
Ans-The seven major endocrine glands
present in the human body are:-
1)pituitary
gland
2)Thyroid
gland
3)Parathyroid
gland
4)Adrenal
Gland
5)Pancreas
6)Testis
7)Ovaries
KEY WORDS
1)Hormones are required in very small
quantities .Increase or decrease in the specific quantity of the hormones I
very harmful for the organisms.
2)Iodine is required for the production
of thyroxine
3)Insufficient
iodine in our body leads to Goitre .
4)A diabetic person has a high concentration of sugar in the blood.
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