Which of the following is a type of skeleton? a)exoskeletons b)internal skeletons c)fluid filled body cavaties d)all of the above

I'm not sure but think its A

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 !         : )

i won't lie i don't know so go online and ask google thats what i do