Why female genital tend to humid than male's ?

Why female genital tend to humid than male's ?
Women have natural juices that are supposed to be there. They protect us from bacteria and such.
"tend to humid"?
What does this mean?
Can someone please translate this into English?
CAUSE FEMALE SEX ORGANS ARE INSIDE AND MALES ARE OUTSIDE ..YOU CAN TELL WHEN A MAN HAS A STD BUT YOU CAN'T REALLY TELL IF A WOMAN HAS A STD UNLESS SHE TELLS A MAN ..SHE CAN KEEP IT HIDDEN ..A WOMAN CAN FAKE A ORGASM BUT A MAN CAN'T!