Intermediary products of fat and protein metabolism in the body are ____.

A) phenylketones
B) ketone bodies
C) nitrites
D) leukocytes
E) cystine crystals

Ketone Bodies

Chemical compounds produced by the liver from fatty acids during periods of low food intake, carb restrictive diets, starvation, or prolonged intense exercise.

Metabolism

The biochemical processes that occur within a living organism to maintain life, involving the creation and breakdown of energy and substances.