<span>Enzymes are catalysts in chemical reactions. What this means is that they speed up chemical reactions, which in turn means that all the actions necessary for our metabolisms occur as a result of catalysts. This goes from fighting illnesses and diseases to dissolving food. We couldn't live without them because our metabolisms would be so slow that we would die as nothing could work.</span>
Red giant or red supergaint (its the same thing)
<span>Minerals are solids.
That is because when water freezes into ice it becomes a mineral, since it's a solid at that time.
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The olfactory system is involved in the sense of smell. The receptors of smell are not routed through the thalamus. The signals id directly routed from the olfactory bulb to the olfactory cortex and thalamus is not contacted in between. This is the difference between the taste and smell receptors, although both of their receptors are stimulated from mucus/saliva in the mouth.
