18. In the blood, both fibrinogen and platelets work to...

1) pump blood through the veins
2) carry blood to the heart
3) help in the clotting process
4) transport nutrients into the cells

In general, why does a tall person have a higher basal metabolic rate than a shorter person of the same weight? a. shorter people have more skin surface area and lose heat more rapidly than a taller person. b. tall people are more active than shorter people. c. taller people have more skin surface area and lose heat more rapidly than a shorter person. d. taller people eat more protein, which takes more energy to digest. e. shorter people eat less than tall people.