What Does "X" Represent in the Following Symbol? X

question 24

Multiple Choice

What does "X" represent in the following symbol? X

• A) mercury
• B) chlorine
• C) scandium
• D) bromine
• E) selenium

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Definitions:

BOLD Signals

Biological markers in neuroimaging, particularly in functional magnetic resonance imaging (fMRI), which stand for Blood Oxygen Level Dependent signals, reflecting changes in brain activity.

Oxygenated Blood

Blood that has been enriched with oxygen through the process of respiration in the lungs and is carried from the heart to the rest of the body.

Peripheral Nervous System

The part of the nervous system that lies outside the brain and spinal cord, consisting of nerves and ganglia, and responsible for connecting the CNS to limbs and organs.

Autonomic Division

refers to the part of the nervous system responsible for control of the bodily functions not consciously directed, such as breathing, the heartbeat, and digestive processes.