Explain the process of digestion in …

The parts of the digestive tract are:

• Mouth and buccal cavity
• Food pipe/Oesophagus
• Stomach
• Small intestine
• Large intestine
• Rectum
• ****

It is a complex process involving the following steps:

• Ingestion – Ingestion refers to the intake of food. Ingestion takes place through Mouth

• Digestion – Digestion refers to the breakdown of ingested food into simpler forms. Teeth, Stomach, Small intestine and secretion from various glands help in Digestion

• Absorption – Absorption refers to the process in which digested food is absorbed into the body fluids (Blood & lymph). Small intestine plays a major role in Absorption

• Assimilation – Assimilation refers to the process in which absorbed food is transported to different cells of the body

• Egestion – Egestion refers to the process of removal of undigested food from the body. Large intestine plays a major role in Egestion