What should the temperature of the testes be relative to the body temperature for the production of sperm?

$(a)$ Draw a sectional view of the human female reproductive system and label the parts where:
$(i)$ eggs develop.
$(ii)$ fertilization takes place.
$(iii)$ the fertilized egg gets implanted.
$(b)$ Describe,in brief,the changes the uterus undergoes:
$(i)$ to receive the zygote.
$(ii)$ if the zygote is not formed.

How are gametes formed in sexually reproducing organisms?

How are general growth and sexual maturation different from each other?

The number of chromosomes in parents and offspring of a particular species remains constant due to

Which organ is responsible for the production of eggs in females?