Process of Absorption and Transportation of Digested Food and Defecation

Villi

The wall of small intestine has millions of fine projections

The function of blood vessels in the small intestine

To transport nutrients to all parts of the body

The function of folds in the surface of the small intestine

Add to the surface area and increase the absorption rate of the products of digestion

Assimilation

Process of distributing the end products of digestion for the use of the cells in our body

End products of digestion

Glucose, Amino acid and Fatty acid

Glucose

Used to produce energy

Amino acid

Used to form component of cells

Fatty acid and glycerol

Combine to form fat which is used as heat insulator and to protect internal organs

Faeces

Unabsorbed and undigested food that become solid waste

Defecation

The process of elimination of faeces from the body