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edits
Changes
→Key Stage 4
: The [[stomach]] produces [[Hydrochloric Acid]].
: The [[stomach]] [[Digestion|digests]] food using [[Digestive Enzyme|digestive enzymes]] including a [[protease]] called [[pepsin]] which breaks down [[protein]]s into [[Amino Acid|amino acids]].
: The [[Hydrochloric Acid]] in the [[stomach]] kills [[bacteria]] to help prevent us getting sick [[infection]] and keeps the [[stomach]] [[acid|acidic]] to be the [[optimum]] [[pH]] for the [[Digestive Enzyme]]s to work.: The [[protease]] [[pepsin]] is an [[enzyme]] found in the [[stomach]] which has an [[optimum]] [[pH]] of 1.6.