How does our digestive system
(14) Food goes through a process of digestion. The process can be mechanical or chemical:
Mechanical digestion: food is ground, cut up and mixed with digestive juices to form a paste.
Chemical digestion: food is broken down by hydrolytic enzymes which extract nutrients from the food with the help of other substances such as acids and bile salts.
Mechanical digestion: food is ground, cut up and mixed with digestive juices to form a paste.
Chemical digestion: food is broken down by hydrolytic enzymes which extract nutrients from the food with the help of other substances such as acids and bile salts.
Âge recommandé: 14 ans
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