Q13 of 231 Page 115

Name the hormones secreted by (a) testes, and (b) ovaries.

(a) Testosterone hormone, also known as male sex hormone, is secreted by testes.

(b) Oestrogen and progesterone hormones are released by ovaries.


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What is the name of the system of glands which produces hormones?

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Which gland secretes the growth hormone?

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What are the scientific names for the following receptors in animals?

(a) receptors for light


(b) receptors for heat


(c) receptors for sound


(d) receptors for smell


(e) receptors for taste

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Name the disease caused by the deficiency of insulin hormone in the body.