The main organ of the male reproductive system is the testes. Its number is 2. It is oval. Two types of hormones are secreted from the testicles.
(i) Testosterone: It produces sperm.
(ii) Androsterone: It produces sperm.
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The main organ of the male reproductive system is the testes. Its number is 2. It is oval. Two types of hormones are secreted from the testicles.
(i) Testosterone: It produces sperm.
(ii) Androsterone: It produces sperm.