The Absorptive Surface of the Small Intestine Is Increased by the Presence

question 18

Multiple Choice

The absorptive surface of the small intestine is increased by the presence of:

• A)sphincters.
• B)microvilli.
• C)enterocytes.
• D)gastric pits.

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Definitions:

Neuron

A nerve cell that is the basic building block of the nervous system, responsible for transmitting information through electrical and chemical signals.

Leg Muscle

A group of muscles in the lower limb that are primarily responsible for movement and support of the ankle, foot, and knee.

Endorphins

Endorphins are natural chemicals produced by the body that reduce pain and boost feelings of pleasure or euphoria.

Pain

An uncomfortable sensation and emotional experience linked to tissue damage, or described in terms of such damage, involving both physical and emotional components.