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प्रश्न
The pancreas is made up of two parts A and B. The part A secretes insulin whereas part B secretes pancreatic juice.
(a) Which part is functioning as an endocrine gland? Why?
(b) What is insulin and what effect does it have in the body?
(c) Name the disease which can be treated by giving insulin injection.
(d) What does pancreatic juice contain? Where does pancreatic juice go?
(e) Name the life process in which pancreatic juice is made use of.
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उत्तर
(a) The part A functions as an endocrine gland. The glands that secrete their secretions directly into the blood are called endocrine glands. Part A of the pancreas secretes insulin (a hormone) directly into the bloodstream.
(b) Insulin is a hormone which is secreted by the pancreas. It controls the blood sugar level.
(c) Deficiency of insulin in the body can lead to diabetes. Diabetes can be treated by giving injections of insulin.
(d) Pancreatic juice contains digestive enzymes like pancreatic amylase, trypsin and lipase. The pancreatic juice goes into the small intestine where complete digestion of food takes place.
(e) Digestion is the process where the enzymes present in the pancreatic juice are used to break down the food.
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संबंधित प्रश्न
Why is the use of iodised salt advisable?
What is the name of the system of glands which produces hormones?
Name the disease caused by the deficiency of insulin hormone in the body.
What is the name of in-built 'arrangement' in our body which controls the timing and amount of hormones released by various endocrine glands in the body?
What part does the diet play in helping us to have a healthy thyroid gland?
What substances are made by endocrine glands?
What is the function of insulin hormone? What type of patients are given insulin injections?
State the functions of Growth hormone.
Which hormone gives boys a deep voice?
Which of the following is a mis-matched pair?
One of the following is an incorrect statement about insulin. This is:
A doctor advised a person to take injection of insulin because :
(a) his blood pressure was high
(b) his heart beat was high
(c) his blood sugar was high
(d) his thyroxine level in blood was high
Which of the following does not act as an endocrine gland as well as an exocrine gland?
(a) testis
(b) ovary
(c) pituitary
(d) pancreas
The faulty functioning of an endocrine gland can make a person very short or very tall. This gland is :
(a) thyroid
(b) pineal
(c) adrenal
(d) pituitary
The gland A is attached to the wind pipe in the human body. The gland A makes and secretes a hormone B which controls the metabolism of carbohydrates, fats and proteins in the body. The non-metal element C is necessary for the formation of hormone B. The deficiency of C in the diet can cause a deficiency of hormone B in the body leading to a disease D in which the neck of a person appears to be swollen. People are advised to use salt E in cooking food so as to avoid disease D.
(a) Name (i) gland A, and (ii) hormone B.
(b) What is the element C?
(c) Name one type of food which can provide sufficient C in the diet of a person.
(d) Name (i) disease D, and (ii) salt E.
Name the gland and the hormone secreted by it in scary situations in human beings. List any two responses shown by our body when this hormone is secreted into the blood.
Write any three responses which enable the animal body to deal with a scary situation.
