Biology Key Words 0.0 / 5 ? BiologyKey WordsGCSEOCR Created by: ejones97Created on: 07-04-14 16:41 Alveoli Tiny air sacs in the lungs where gas exchange occurs 1 of 20 Amino Acids building blocks of proteins 2 of 20 Anaerobic Respiration releasing energy from glucose in living cells in the absence of oxygen to produce a small amount of energy very quickly 3 of 20 Antagonistic muscles a pair of muscles that work together to create movement: when one contracts the other relaxes 4 of 20 antibiotics medication used to kill bacterial pathogens inside the body 5 of 20 antibody produced by white blood cells to destroy disease-causing microorganisms 6 of 20 artery large blood vessel with narrow lumen and thick elastic walls (carries blood away from the lungs) 7 of 20 arthropod an invertebrate animal with an exoskeleton and segmented body and jointed legs 8 of 20 asexual reproduction with no parent; offspring are clones 9 of 20 asbestosis a lung disease caused by inhaling asbestos particles 10 of 20 asthma an illness that stops people breathing properly due to a narrowing of the airways 11 of 20 bacteria microscopic, single-celled organism with no nucleus 12 of 20 biodiversity the variety of living organisms in an ecosystem 13 of 20 biofuel a fuel produced by a living organism 14 of 20 biomass the mass of matter in a living organism 15 of 20 bronchi the branches of the trachea (windpipe) 16 of 20 bronchioles the small braches of the bronchi 17 of 20 capillary a blood vessel that connects arteries to the veins; where the exchange of materials takes place 18 of 20 carcinogens cancer-causing chemicals 19 of 20 cardiovascular efficiency a measure of how well your heart copes with cardiovascular exercise 20 of 20
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