Describe the Function of the Large Intestine

question 106

Multiple Choice

Describe the function of the large intestine.

• A)Transport of materials to the stomach.
• B)Enzymatic digestion and absorption of water,organic substrates,vitamins,and ions.
• C)Dehydration and compaction of indigestible materials in preparation for elimination.
• D)Mechanical digestion.
• E)Chemical digestion by acids and enzymes.

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Definitions:

Ion

An atom or molecule with a net electric charge due to the loss or gain of one or more electrons, essential in a wide array of biological processes.

Acetylcholinesterase

Enzyme found in the synaptic cleft that causes the breakdown of acetylcholine to acetic acid and choline, thus limiting the stimulatory effect of acetylcholine.

Acetylcholine

A neurotransmitter involved in many functions including muscle contraction and the transmission of nerve impulses in the central and peripheral nervous system.

Synapse

The junction between two neurons, where electrical or chemical signals are transmitted from one neuron to another.