12. What are some substances which are absorbed thru the skin? Why are they easily absorbed?
a. Lipid soluble substances - O2, CO2, Fat soluble vitamins i.e. A,D,E,K
b. Resin of certain plants - poison oak and poison ivy
c. Organic Solvents - acetone, dry cleaning solvent, paint thinner
d. Salts of heavy metals - lead, mercury, arsenic
e. Penetration Enchancers - aid drugs in moving across the membranes