Breathing - The movement of air in and out of the lungs., Trachea - Also known as your windpipe., Bronchi - Two tubes which carry air to the lungs., Bronchioles - Small tubes which carry air through the lungs., Lung Volume - The measure of the amount of air breathed in and out in one breath., Ribs - Bones which surround the lungs and form the rib cage., Alveoli - Small air sacs at the end of the bronchioles., Diaphragm - A sheet of muscle found underneath the lungs., Diffusion - The movement of a substance from an area of high concentration to an area of low concentration., Enzymes - Substances that speed up the chemical reactions of digestion., Dietary Fibre - Parts of plants that cannot be digested, which helps the body eliminate waste., Carbohydrates - The body’s main source of energy., Lipids - A source of energy., Protein - Nutrient your body uses to build new tissue for growth and repair., Stomach - A sac where food is mixed with acidic juices to start the digestion of protein and kill microorganisms, Small intestine - Upper part of the intestine where digestion is completed and nutrients are absorbed by the blood, Large intestine - Lower part of the intestine from which water is absorbed,

KS4 Digestion & Respiration Keyword Match Up

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