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.
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Edad recomendada: 14 años
Creada por
Laura Maria Iglesias Real
España
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