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Reproduction

Junior cert biology

QuestionAnswer
what process begins on day 1 of the menstrual cycle menstruation occurs
what is meant by the fertile period ovulation occurs
what happens to the egg during fertilsation it joins with sperm
during what days is menstruation likely to occur days 1 to 5
amount of chromosomes in a human nucleas 23
2 substances from which chromosomes are made DNA and protein
name a form of contraception abstinence
function of sperm head contains nucleas
function of sperm tail movement
functions of placenta food passes from mother to baby oxygen passes from mother to baby
function of umbilical cord carries nutrients to baby
explain events during end of pregnancy uterus contracts waters break umbilical cord is tied and cut breasts produce milk
where does fertilisation occur fallopian tube
why does sperm need to be able swim to meet the egg
what happens in the ovary egg is released
Created by: jojo1979
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