Answer:a metal and nonmetal
Explanation:
When information has to cross our corpus callosum, we respond slower than when the information does not cross the corpus callosum.
Corpus callosum is a bundle of nerve fibers that connects the left and right cerebral hemispheres and enables them to communicate. It has been shown that corpus callosum can have both, an inhibitory and excitatory influence on the contralateral hemisphere.
Surprisingly chocolate actually contains a fair amount of iron. Red meats are known to contain iron, one thing in particular is blood (yes that is sometimes eaten, and it contains a lot of iron). Such organs of animals that are high in iron include the spleen and or marrow.
If you wish to go vegetarian red veggies tend to be high in iron, one in particular are beets (yes, i know, they aren't red until processed)