anatomy and physiology questions


I need some assistance with knowing  

directional terms, where organs are located, cavities, quadrants, regions, positive and negative feedback, etc.

Stability/instability, 3 different types of bonds and their characteristics, pH scale, DNA base paring

The cell and all of its parts…. what the 4 major tissues,  diagram of tissue and to tell one place in the body where it is found. The Integumentary System: Skin, all the strata layers of the skin (what is it, where are they, what do they do), the  diagram of the 3 different layers of the skin and go through each structure is it, where is it, what does it do? Skin cancers, the Rule of 9’s and burn degrees.