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प्रश्न
Hormones are called ‘chemical messengers’.
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उत्तर
The hormones are carried to all the parts of the body through blood circulation to bring about the harmonious working of the body. So, they are called chemical messengers.
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संबंधित प्रश्न
Define the following:
Hormone
Define Endocrine gland
Describe the T. S. of thyroid gland
Identify the ODD term in each set and name the CATEGORY to which the remaining three belong :
Example : glucose, starch, cellulose, calcium
Odd term : calcium Category : others are different types of carbohydrates
Insulin, Adrenaline, Pepsin, Thyroxine
Which glands are responsible for the following disease?
(i) Goitre (ii) Diabetes mellitus (iii) Gigantism
(iv) Diabetes insipidus (v) Cretinism (vi) Exophthalmic goiter
Name the hormones secreted by the following glands:
(i) Anterior pituitary
(ii) Testes
(iii) Ovary
(iv) Adrenal cortex
(v) Pancreas
Study the diagram given below and then answer the questions that follow:
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- Name the cells of the pancreas that produce (1) glucagon (2) insulin.
- State the main function of (1) glucagon and (2) insulin.
- Why is the pancreas referred to as an exo-endocrine gland?
- Why is insulin not given orally but is injected into the body?
- What is the technical term for the cells of the pancreas that produce endocrine hormones?
- Where in the body is the pancreas located?
Choose the Odd One Out
Serum calcium level is regulated by ______.
Choose the odd one out from series and write the category of the remaining terms:
