I think it's B(Im not sure on that one) C D and maybe E I'm sorry if I'm wrong
A difference between the three are that arteries are larger than capillaries and veins. However, veins are larger than capillaries.
Refined grains are grains that have been modified from their natural composition often through the mechanical removal of bran or germ.
Two Examples:
1. White Rice
2. White Bread
500 per day
hope this helps!