Short Answer TypeEndocrine glands : These are ductless glands which produce hormones. The hormones secreted by them are transported by the blood to the different parts of the body.
Hormones : The hormones are chemical informational regulatory molecules secreted by endocrine glands. They non-nutrient chemicals which act as intercellular messengers and are produced in trace amounts.
Long Answer TypeShort Answer TypeLong Answer TypeExplain the following :
(a) Insulin lowers the blood sugar level.
(b) Hypothalamus and pituitary function as an integrated and coordinated system.
(c)Body growth is greatly accelerated at puberty in the male.
(d) Adrenal medulla and the sympathetic nervous system function as a closely integrated system.
(e) Pituitary gland regulates the reproductive system.
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