It's Often Said That "Life Doesn't Exist in a Vacuum

question 10

Multiple Choice

It's often said that "life doesn't exist in a vacuum." However, the emptiness of ________ is critical for brain functioning.

• A) nerves
• B) receptors
• C) dendrites
• D) synapses

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Definitions:

Electrocardiograph (ECG)

A medical device used to record the electrical activity of the heart over a period of time.

Electrical Stimulation of the Brain (ESB)

A neuroscientific technique used to elicit a reaction from the brain by applying a controlled amount of electrical current to specific areas of the brain.

Meninges

The three layers of protective membranes—dura mater, arachnoid mater, and pia mater—surrounding the brain and spinal cord.

Myelin Sheaths

Fatty coverings around the axons of some neurons that speed up the transmission of nerve impulses.