_____ is often the primary source of bioavailable iron

Digestion begins in the

A) small intestine. B) mouth. C) esophagus. D) stomach.

Non-nutritive animal compounds such as omega-3 fatty acids, beneficial bacteria/probiotics are

A) functional foods. B) zoochemicals. C) phytochemicals. D) essential nutrients.

Foods most likely consumed by hunter-gatherers are:

What is the name for the reactant that is entirely consumed by the reaction?

A. limiting reactant B. reducing agent C. reaction intermediate D. reagent