Although _[blank]_ makes up 78% of the earth's atmosphere, it is not directly usable by most living organisms.
carbon dioxide
nitrogen gas
phosphorus
water vapor

Although Nitrogen Gas makes up 78% of the Earth's atmosphere, it is not directly usable by most living organisms.

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 !         : )