Biology, asked by sa2004, 10 months ago

explain what is reproduction in human beings????/ what are the physical changes occur in both boys and girls in adolescence???

Answers

Answered by sai3856
2

Answer:

reproduction happens when the male gamate spermatozoa and female gamate ovum fertilizes inside the uterus of the female organism

physical changes seen in boys during adolescence is change of voice beard pubic hairs

in girls change of voice high pitch voice

growth of mammary glands and the pubic hair development

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