Blood is mostly made of

a. red blood cells
b. white blood cells
c. platelets
d. plasma

What nutrients prevent osteoporosis? a. all vitamins and minerals b. calcium, vitamins c, d, and k, and magnesium c. protein d. carbohydrates

Building muscle has which of the following effects? it increases the metabolic rate. it relieves pressure on the joints. it slows weight loss considerably.

How do you imagine the heart of a person with prolonged high blood pressure might look different from the heart of someone with normal blood pressure?