- Life Sciences
a muscular structure on the floor of the mouth of most vertebrates, which manipulates food for mastication by mixing the food with the saliva. It is the primary organ of taste and, in humans, a secondary function is to assist in the production of certain sounds.
a molecule found inside red blood cells that can carry both oxygen and carbon dioxide.
diet which contains all the nutrients needed by the body in the correct quantities and...
a leaf with certain areas that lack chlorophyll. The leaf therefore contains both green and non-...
organisms that feed on dead organic matter and thereby release nutrients back into the soil.