Nutrition include ingestion, absorption and assimilation.
- Nutrition is the way organisms obtain and use food.
- Food is required as a source of materials and energy.
What is ingestion?
- Food enters the digestive system through the mouth.
- This process is called ingestion.
- The food is chewed to form a ball of food called a bolus.
- This passes down the oesophagus and into the stomach.
What is the importance of nutrition?
- Reduce the risk of some diseases, including heart disease, diabetes, stroke, some cancers, and osteoporosis.
- Reduce high blood pressure.
- Lower high cholesterol.
- Improve well-being.
- Improve ability to fight off illness.
- Improve ability to recover from illness or injury.
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