Hormones produced by many tissues that, among other effects, promote inflammation are

Hormones produced by many tissues that, among other effects, promote inflammation are prostaglandins. Prostaglandins hormones are made by chemical reactions at the sites of tissue damage or infection, where they control processes such as inflammation, blood flow, formation of blood clots and the induction of labour.

the law of original horizontality explains:   why rocks appear in layers. correct answer: b the law suggests that all rock layers are originally laid down (deposited) horizontally and can later be deformed.   the principle is used by geologists to make assumptions about the relative ages of sedimentary rocks.