1. Which of the following brain areas serves as the major control center of the autonomic nervous system and endocrine system? Hypothalamus 2. 96% of the human body is composed of the elements: Carbon, Hydrogen, Nitrogen, and Oxygen 3. The three types of subatomic particles that are important for understanding chemical reactions in the human body are: Electrons, neutrons, and protons 4. A negatively charged atom is called as Anion 5. Salts form when an acid reacts with a base. True 6. .The type of chemical bond that involves the sharing of valence electrons between two atoms. Covalent 7. Which of the following would you call a solute that readily dissolves in water Hydrophilic 8. .Anabolism refers to the decomposition reactionsthat occur in the body while catabolism refers to the synthesis reactions that occur in the body False