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Science

Human Growth and Development

QuestionAnswer
zygote a fertilized egg
pregnancy the period of development from fertilized egg to birth
placenta the outer cells of the zygote and cells from the uterus form an organ called the
the umbilical cord outer zygote cells which form a rope-lioke structure
fetus in the time between the 9th week and birth, the developing baby is called the
how long is the embryo by 8 weeks? about 2.5 centimeters
cervix a small structure between the uterus and the vagina
what two materials make up semen? sperm and fluids
embryo from the time too zygote attaches to the uterus to the 8th week of pregnancy
puberty the reproductive system matures during adolescence is called what
can menopause occur naturally? yes
egg a female sex cell
Created by: Hexel
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