Examlex
According to Piaget, what is the child's "work":
Allantois
An embryonic membrane involved in gas exchange and waste removal in the development of the embryo.
Spermatogenesis
The process of sperm cell development, occurring in the seminiferous tubules of the testes.
Ova
The female reproductive cells, or eggs, which are capable of developing into a new organism when fertilized by a sperm cell.
Oocytes
Immature eggs found in the ovaries of females that, upon maturation, can undergo ovulation and potentially fertilization.
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