Question

Define internal fertilization in humans.

Answer 1

itrs the form of fertilization where the fusion of gametes happens inside the female bodies/bodies. this happens when male gamets (sperms) enter the female reproductive tract 

Answer 2

Internal fertilization in humans is the process of deposition of sperms by male copulatory organ penis, inside female copulatory organ vagina during copulation. The sperms moves to fallopian tube where ovum is present. The sperms fertilize the ovum and forms zygote. This is process of internal fertilization in humans.