Biology
Mention the three types of cells of the islets of Langerhans and the name of the hormone they secrete.
Endocrine System
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Answer
The three types of cells of islets of Langerhans and hormones secreted by them are:
- Beta cells — insulin
- Alpha cells — glucagon
- Delta cells — somatostatin
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Related Questions
Fill in the blanks by selecting the appropriate alternative from those given in brackets.
(i) Regulation of activities inside the body are brought about by …………… and …………… systems. (nervous/digestive/endocrine)
(ii) Hormones are secreted directly into the …………… . (organs/lymph/blood)
(iii) Chemically, some hormones are …………… , some steroids, some …………… . (proteins/amines/carbohydrates)
(iv) Both …………… or deficiency of hormones lead to serious consequences. (excess/absence)
(v) Hormones produced in one species usually show …………… influence in other species. (similar/different)
Give the characteristics of hormones pertaining to
(i) Site of action
(ii) Chemical nature
(iii) Manner of transportation.
Mention the two principal ways in which insulin acts :
Name the following conditions :
(i) Passage of much glucose in urine
(ii) Overdose of insulin makes the diabetic patient unconscious