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7thGrH.BioCh.7 Sec2
7th Grade Human Biology Chapter 7 Sec. 2
Question | Answer |
---|---|
egg | female sex cell |
sperm | male sex cell |
fertilization | the joining of a sperm and egg |
zygote | a fertilized egg |
testes | organs of the male reproductive system in which sperm are produced |
testosterone | a hormone that controls the development of physical characteristics in mature men |
scrotum | an external pouch of skin where the testes are located |
semen | the mixture of sperm cells and fluids |
penis | the organ through which the semen leaves the body |
ovaries | female reproductive structures that produce eggs |
estrogen | a hormone that triggers the development of some adult female characteristics |
fallopian tubes | oviducts or passageways for eggs as they travel from the ovary to the uterus |
uterus | a hollow muscular organ about the size of a pear |
vagina | a muscular passageway leading to the outside of the body |
menstrual cycle | the monthly cycle of changes that occur in the female reproduction system |
ovulation | the process in which an egg is released |
menstruation | a process in which extra blood and tissue of the thickened lining pass out of the body through the vagina |