The diagram shows a human female’s reproductive system with an eight week embryo (foetus) which is clearly recognisable as human - Junior Cycle Science - Question a - 2008
Question a
The diagram shows a human female’s reproductive system with an eight week embryo (foetus) which is clearly recognisable as human. The organs of the foetus are formed... show full transcript
Worked Solution & Example Answer:The diagram shows a human female’s reproductive system with an eight week embryo (foetus) which is clearly recognisable as human - Junior Cycle Science - Question a - 2008
Step 1
Mark clearly on the diagram, using an arrow and the label S, where the semen (liquid containing sperm) was released into the female.
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Answer
An arrow should be drawn pointing to the vagina, clearly labeled with the letter 'S' to indicate the point where the semen enters.
Step 2
Mark clearly on the diagram, using an arrow and the label F, where fertilization took place.
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An arrow should be drawn pointing to the fallopian tube, clearly labeled with the letter 'F' to indicate the location of fertilization.
Step 3
Explain the term fertilisation.
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Fertilisation is the biological process in which a male sperm cell merges with a female egg cell (gamete) to form a zygote. This fusion occurs in the fallopian tube, where genetic material from both parents combines, resulting in the development of a new organism.
Step 4
State two events that occur in the hours before birth and one event that takes place shortly after the baby is born.
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Before:
Contractions of the uterus begin, indicating the start of labor.
The breaking of the waters occurs, releasing amniotic fluid.
After:
The umbilical cord is clamped and cut, separating the baby from the placenta.
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