List and describe the three main functions of the digestive system.

The digestive system is a group of organs working together to convert food into energy. This system provides and feeds the body with the basic nutrients. The three main functions of the digestive system are:

1. digestion: the process of turning large pieces of food into its component chemicals

2. absorption: simple molecules pass across and into tissues

3.elimination: excretion of waste through urination and defecation

because health skills are tools and strategies and also practical skills are also something you need to learn (like tools and strategies) and put it in reality.

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