Flow chart of nutrients in human beings
Answers
Explanation:
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Answer:
it consists of 5 parts
Explanation:
These processes take place in step by step manner from the oral cavity to the anal cavity in the digestive tract.
The five process of nutrition in human:
Ingestion - this is the process by which food is taken into the human body, usually through the mouth.
Digestion - this is the process by which food is broken down into smaller particles. Digestion can either be mechanical ( e.g chewing of food by the teeth) or chemical ( e.g. breakdown by chemical enzymes like ptyalin, pepsin, , protease and lipase).
Absorption - this is the process by which food is moved from the digestive tract into the blood stream. Absorption mostly takes place in the ileum.
Assimilation - this is the process by which absorbed nutrients get utilized by the body tissues and organs.
Excretion - This is the step where undigested and non-absorbed food is taken out of the body from the alimentary canal through the anal opening.
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