ANIMAL NUTRITION

(Alimentary Canal of the Human)

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Alimentary canal

Alimentary canal is a tube along which food passes to be processed.

Human canal is 9 m long

The canal is able to fit into our body because it is folded into loops

Food

FOOD GOES THROUGH 5 PROCESSES IN THE BODY

1. Ingestion: Food going into the body

Food

FOOD GOES THROUGH 5 PROCESSES IN THE BODY

1. Ingestion: Food going into the body

2. Digestion: Breakdown of large complex insoluble food into small simple soluble nutrients

Food

FOOD GOES THROUGH 5 PROCESSES IN THE BODY

1. Ingestion: Food going into the body

2. Digestion: Breakdown of large complex insoluble food into small simple soluble nutrients

Food

FOOD GOES THROUGH 5 PROCESSES IN THE BODY

1. Ingestion: Food going into the body

2. Digestion: Breakdown of large complex insoluble food into small simple soluble nutrients

3. Absorption: Digested food diffuse into the blood stream

Food

FOOD GOES THROUGH 5 PROCESSES IN THE BODY

1. Ingestion: Food going into the body

2. Digestion: Breakdown of large complex insoluble food into small simple soluble nutrients

3. Absorption: Digested food diffuse into the blood stream

Food

FOOD GOES THROUGH 5 PROCESSES IN THE BODY

1. Ingestion: Food going into the body

2. Digestion: Breakdown of large complex insoluble food into small simple soluble nutrients

3. Absorption: Digested food diffuse into the blood stream

4. Egestion: Food exit the body through anus as feces

Food goes through 5 processes in the body

Assimilation: using the absorbed food to form new cells or part of cells.

Assimilation does not take place in the alimentary canal

Absorbed food

New cell