Examlex
Sperm and ova are produced by which of the following, respectively?
Lanugo
Fine, downlike covering of the fetus.
Fetus
A fetus refers to a developing mammal or human after the embryonic stage and before birth, characterized by rapid growth and the formation of body structures.
Chorion
The outermost membrane surrounding an embryo of a reptile, bird, or mammal, contributing to the formation of the placenta in mammals.
Hairs
Filamentous biomaterials growing from the dermis of mammals, serving various functions including temperature regulation and sensation.
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