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Question
Name the hormones secreted by given endocrine glands:
Adrenal glands
Solution
Adrenaline
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Name the hormones secreted by the given endocrine glands and specify one function.
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| (i) Thyroxine | (a) Causes breasts to develop in females |
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A and B are the two systems of control and coordination in the human body. The messages in system A are transmitted in the form of chemical substances C which travel comparatively slowly through the blood stream. The substances C are made in tissues D present in the head and trunk of human body. The messages in system b are transmitted very quickly in the form of electrical impulses through fibres E. The effect of messages transmitted by system b usually lasts for a much shorter time as compared to those transmitted by system A.
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(b) Name the chemical substance C.
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(e) Name the fibres E.
(f) State whether system A controls the working of system B or system B controls the working of system A.
The hormone which increases fertility in males is called:
