A site set up to document my studies in IGCSE Biology; with notes on each objective covered that is necessary for the final IGCSE Examinations. Hope you enjoy!
Monday, 19 September 2011
3.9b Female Reproductive System
Notes
*before pregnancy, size of uterus = approx. orange
Ovary = meiosis (production of female gametes = eggs)
Oviducts (fallopian tube) = carries eggs to uterus BUT also location of where feritlisation may occur
*Fertilisation = occurs in oviducts NOT in uterus
Uterus = centre structure, wall of uterus which is a muscle stretches during pregnancy, contracts during birth
Lining of Uterus = develops fertilised eggs --> embryo --> child, placenta implants on wall of uterus
Uterus space = where embryo develops into unborn child, stretches to accommodate growing child
Cervix = where sperm cells from the penis enter, entrance to uterus, where sperm cells make way up to oviducts AND where eggs descend down towards
Vagina = collects sperm cells at top of vagina & allows sperm to enter through the cervix
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