cell wall - the protective, semi-permeable outer layer of a plant cell., ribosome - initiation, elongation and termination. They form amino acid chains at the rate of 200 amino acids per minute., White blood cell - responsible for protecting your body from infection., Mitrochondria  - generate most of the chemical energy needed to power the cell's biochemical reactions., right atrium - receives oxygen-poor blood from the body and pumps it to the right ventricle., right ventricle - pumps blood low in oxygen to the lungs, Left atrium - blood full of oxygen from the lungs and then empties the blood into the left ventricle.,

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