Which of the Following Is Not an Example of Mechanical

question 143

Multiple Choice

Which of the following is not an example of mechanical digestion?

• A) Chewing food
• B) Churning food in the stomach
• C) Enzymes breaking food down to small molecules
• D) All of the above are examples of mechanical digestion

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Definitions:

Dendrite

A branched extension of a neuron that receives stimuli and conducts impulses toward the cell body.

Myelin Sheath

The fatty layer that surrounds and insulates the axons of some neurons, which enables faster transmission of electrical impulses.

Neurotransmitters

Chemicals that transmit signals across a synapse from one neuron to another neuron, muscle cell, or gland cell.

Synaptic Vesicle

Membrane-bound sacs in the presynaptic terminals of neurons that store neurotransmitters, which are released into the synaptic cleft in response to an action potential.