Year 11 Biology Digestion 4
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What gives the large intestine and the small intestine its names?
The diameter. The large intestine has an average diameter of about 6.5 centimetres where as the small intestine has an average diameter of around 2.5 centimetres.
What is the major function of the large intestine?
The major function of the large intestine is is to transport waste out of the body and to absorb water from the waste before it leaves.
What is peristalsis?
The movement of food along the gut by means of contraction and relaxation of muscle in the gut wall.
What are the two main parts of the large intestine?
The colon, which extracts water and salt from solid wastes
What is the major function of the colon?
The major part of the colon
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