The cell membrane of a red blood cell will allow water, oxygen, carbon dioxide, and glucose to pass through. since other substances are blocked from coming in, this membrane is called
a. perforated.
b. semi-permeable.
c. non-conductive.
d. permeable.

answer >   yes we do, women; have three holes, urethral opening(pee hole, vagina, and the women pee/girls pee out of the urethra like the men do; only they have a single opening to pee/ejaculate.   (sorry if i'm too forward with this, but this is for a biology class, isn't it? )

hope that !         : )