12 - Human Body Systems - Reproduction and Development - List 2

Front

amnion

Back

a fluid filled sac that surrounds an embryo

Front

embryo

Back

developing human organism up until the eighth week of pregnancy

Front

estrogen

Back

the female hormone that helps regulate the menstrual cycle

Front

testosterone

Back

the male hormone produced by the testes

Front

fertilization

Back

the joining of one sperm cell and one egg cell

Front

placenta

Back

organ through which an embryo/fetus receives nutrients/oxygen and gets rid of wastes

Front

zygote

Back

a fertilized egg that results from the union of sperm and egg

Front

fetus

Back

developing human organism from the eighth week of pregnancy until birth

Front

ovulation

Back

the release of an egg from the ovary

Front

sperm

Back

male reproductive cell