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Science: Endocrine System and Reproduction

The endocrine system


  • hypothalamus pituitary 
  • thyroid – thyroxine parathyroid thymus pancreas adrenal
  • ovaries – estrogen and progeterone
  • testes – testoterone 

Reproductive Systems and Development


  • scrotum-testis-epididymis semen urethra urinary bladder 
  • ovary fallopian tube uterus cervix vagina follicle ovulation 
  • zygote embryo fetus folding differentiation attachment amniotic sac, placenta, umbilical cord
  • labor (contractions) delivery afterbirth
  • infancy childhood adolescence (puberty 9-15) adulthood (aging starts at 30)

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