Reproduction and Development

Reproductive Systems

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The organs of the male reproductive system that produce hormones and sperm 

testes

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Human gametes each have

23 chromosomes

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Helps the sperm to reach the egg

The motion of the sperm's tail

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The male reproductive cell

sperm

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The female reproductive cell

egg

Fertilization

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Reproductive cell

gamete

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Fertilized egg

zygote

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Microscopic

sperm cells

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This causes an egg to move through the oviduct

tiny hairs

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The joining of a sperm cell and an egg cell

fertilization

Human Embryo

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Developing human organism up until 8 weeks of pregnancy

embryo

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Term used to describe an embryo eight weeks after fertilization

fetus

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Organ through which an embryo receives nourishment and gets rid of waste

placenta

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Fluid-filled sac that surrounds an embryo

amnion

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The 40 week miracle

pregnancy

Life Cycle

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The stages of development an organism goes through during it's life

Life cycle

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Occurs between birth and age 2

infancy

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A period between the ages of 2 and 12 years of age

childhood

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Stage at which the physical growth of the human body is complete

adulthood

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Menopause occurs

adulthood

Menstrual Cycle

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Release of a mature egg from the ovary

ovulation

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Process by which blood and tissue from the lining of the uterus break apart and leave the body

menstruation

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Monthly cycle of change that occurs in the female reproductive system

menstrual cycle

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Hormone that helps regulate the menstrual cycle

estrogen

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A female is born with these type of cells

eggs