Reproductive SystemATI TEAS 7 cheat sheet

Gametes and hormones

7 key facts 5 practice questions Reviewed Oct 2026

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Male

Testes make sperm and testosterone
Path: seminiferous tubules → epididymis → vas deferens → urethra

Female

Ovaries make eggs, estrogen and progesterone
Path: ovary → fallopian tube (fertilization site) → uterus

Cycle

Ovulation around day 14 of a 28-day cycle
Estrogen builds the lining; progesterone maintains it

Gametes

Formed by meiosis — 23 chromosomes each, so the zygote has 46

Key takeaway

Gametes and hormones

Before you read

Test yourself first: 5 questions

Question 1 of 5

The reproductive systems produce sex cells called:

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