Name the hormone that is released by testes at the onset puberty.

Puberty:

1. Puberty is the onset of sexual maturity.
2. It is the time when an individual becomes capable of producing their own offspring.

Testes:

1. Testes are the paired male gonads that are responsible for the secretion of the male hormone called testosterone at the onset of puberty.
2. Testosterone is responsible for developing secondary sexual characteristics in males. For example, growth of hair (beard), voice deepening, muscle gain, etc.
3. It is also responsible for the production of the male gametes (sperms) inside the testes.