Skin<span> is an elastic covering. It </span>protects<span> you against exposure to dangerous things in the environment such as bacteria. Since they form an elastic cover, they are able to B)Extend and contract for movement.</span>
Answer:
ain't mine, but I find this very funny.
Explanation:
A professor was traveling by a boat. On his way, he asked the sailor, "do you know biology, zoology, geography, physiology?" The sailor said no to all his questions.
Professor: "What the hell do you know on this Earth? You will die if illiteracy. After a while the boat started sinking. The sailor asked the professor, "Do you know swiminology and escapology from sharkology?" The professor said no.
Sailor: "well, sharkology and crocodiology will eat your assology, headology, and you will dieology because of your mouthology"