_____ is often the primary source of bioavailable iron

Digestion begins in the

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

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

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: