Answer:
11. Proteins - B. Used to build, maintain and repair cells; help produce
antibodies
6. Water
A. Inorganic molecules found in all body tissues
8. Carbohydrates
C. Major source of energy needed for body functions;
9. Vitamins
D. Organic molecules important for growth and repair;
carry certain vitamins to the cells
10. Minerals
E. Important for regulating body functions: used to build
and repair body tissues
The significance in thickness between the two is due to the different amount of pressure exerted on the walls of the heart. The left ventricle has a thicker wall because the blood must be pumped throughout the entire body (oxygenated blood), unlike the right ventricle, where blood is pumped simply to the lungs to be oxygenated (pulmonary system).
I believe the answer is b. increased aggressiveness