Arnold K H Tan's answer to Nicholas's Secondary 2 Maths Singapore question.

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Arnold K H Tan
Arnold K H Tan's answer
2108 answers (A Helpful Person)
1st
AT. Additional point teacher may use for menstrual cycle: The menstrual cycle prepares the womb for implantation. Note that this is part and parcel of what happens during the menstrual cycle, not an advantage.