Page 69 - Science Course 2 (Book 1)

Mo3-L1a: What are the Reproductive Systems of Humans?

Reproduction and Hormones Key Concept

The female reproductive system contains two What are the Reproductive Systems of Humans?
ovaries where eggs grow and mature.
What does the Female Reproductive System
do?

Two hormones made by the ovaries, estrogen and
progesterone, help eggs mature.

Mature eggs are released from the ovaries and enter
the fallopian tubes, which connect the ovaries to the
uterus. SUMMARY
What are the Reproductive Systems of Humans?
If sperm are also present in fallopian tube,
fertilization can occur as egg enters the fallopian Sperm are produced in the testes and develop
tube, and a zygote forms. inside each testis in the seminiferous tubules.

Eggs grow and mature in the ovaries.

The endocrine system
controls egg maturation
and release and thickening
of the lining of the uterus
in a process called the
menstrual cycle.

The menstrual cycle takes
about 28 days and has
three parts.

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