Try it on paper first. A hint, the key idea and the worked solution are here when you need them.
Suppose a woman's ovaries release one egg each month from the age of to the age of , with no pregnancies. How many eggs are released in all? She was born with about lakh immature eggs. What fraction of them is ever released? Give the fraction as a percentage to one decimal place.
Male: the testes in the scrotum make sperm and testosterone; the vas deferens carries the sperm to the urethra, the shared path for sperm and urine; the seminal vesicles and prostate add fluid. Female: the ovaries release one egg a month; the oviduct carries it to the uterus, which opens through the cervix into the vagina.
Have you tried it?
Work it out on paper first. It is fine to get stuck or make a mistake: that is how we learn. When you are ready, go through the solution one step at a time, and check each step against your own.
Step 1. Years. years.
Step 2. Eggs. One a month: eggs.
Step 3. The fraction. .
Answer: eggs, about of the eggs she was born with.
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