Talk to your partner about the prospect. Also, the "accidentally-slipping-it-in" move is an asshole thing to do. You can cause serious damage by pulling a stunt like that. Considering the nightmare that can come out of there after a night at a Mexican buffet, I can see how people would think that. It makes clean-up that much easier.
Do spiders have buttholes? | Yahoo Answers
Have you ever wondered whether or not spiders breathe? If so, have you ever wondered how their respiratory system works? Well, first, spiders do breathe. They just do not breathe like mammals and other animals do. They do not take a breath through their mouth like humans do but instead they breathe through their skin on the underside.
Wolf Spiders and Their Bite
These are called malpighian tubules and function in a manner similar to our own kidneys. Spiders don't produce urine like we do, but produce uric acid, which doesn't dissolve in water and is a near-solid. Spiders have this alternate form of waste because they can't afford to lose as much water as we do.
The nervous system of spiders, unlike that of other arachnids, is completely concentrated in the cephalothorax. The masses of nervous tissue ganglia are fused with a ganglion found under the esophagus and below and behind the brain. The shape of the brain, or epipharyngeal ganglion, somewhat reflects the habits of the spider; i. The simple eyes of spiders, which number eight or less, consist of two groups, the main or direct eyes called the anterior medians and the secondary eyes, which include anterior laterals, posterior laterals, and posterior medians. Structures called rhabdoms, which receive light rays, face the lenses in the main eyes; in the other eyes the rhabdoms turn inward.