- Nutrition is a combination of processes which supply our body with substances and the energy we need to live.
- The four processes involved in nutrition are:
- Digestion
- Respiration
- Circulation
- Excretion
Let's watch these lovely videos about how digestion works!
Some facts you should know about digestion:
- The digestive system breaks down food into nutrients that our body can use.
- It normally takes 24 to 48 hours to digest food (in total, from eating to passing through the anus).
- Digestion begins in the mouth.
- The mouth, stomach and small intestine digest food.
- Faeces leave the body trough the anus.
No hay comentarios:
Publicar un comentario