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Chapter 18: reproduction in humans (Male (Glands and their secretions…

- - - - stores sperm temporarily, before released into urethra
  - - - essential to provide a lower temperature for sperms to develop properly
- - - - Day 14
        
        ovulation occurs
        
        corpus luteum secretes progesterone and some oestrogen
        
        Day 15-28
        
        Progesterone maintains and thickens the uterine lining
        
        Progesterone also inhibits ovulation and FSH production
- - - - HAHAHAHHA R00D
- - - - Two umbilical arteries transports deoxygenated blood and metabolic waste products from the fetus to the placenta
        
        One umbilical vein transports oxygenated blood and food substances from the placenta to the fetus