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too little food.
the blood circuit from the heart to the lungs and back to the heart.
outgrowths of neurons (nerve cells) that transmit nerve impulses towards the cell body.
(also called autotrophic organisms) organisms that produce their own organic food, mainly...
the neurons that link motor and sensory neurons within the central nervous system.
the formation of the energy transporting molecule (ATP) to be used in the light independent...