Menstrual
Ovulation.
ovum
ovum
ovum
the wall. it is necessary to only let things in and out based on what the nucleus of the cell wants. for example the cell membrane will only let sperm in until one has penetrated the egg, then the membrane stops trying to let sperm in.
It is different for each women. On average every month one egg is let go from the ovary. Sometimes more then one can be let go and this can lead to twins. Unlike men, women do not "make" eggs like men make sperm. Women have a set number from birth, so when we run out of eggs we inter into menopause.
Cell waste
no because the when you dissolve the egg's shell you get the egg's semi-permeable membrane. A way to test this out is take an egg and stick it in 140 mL of vinegar and let it soak for 24 hours. Then you take 140 mL of water and put the egg in that. After 24 hours you see that the egg is "plump". Then you can put the egg in 140 mL of corn syrup. After 24 hours, you see that the egg looks "deflated". If you you were to try this with out the vinegar, then the egg's shape and mass would stay the same.
you crack open the egg and only let the whites out
Put the egg in water and let it sit there
it is adapted to its function because it is thin enough to let the pointy headed sperm inside itself and with that it reproduces to create children
You go to the guy in the cell and let him out You go to the guy in the cell and let him out