Any Change of the Energy of a System Occurs Because

question 30

Multiple Choice

Any change of the energy of a system occurs because of

• A) energy transfer across the boundaries of the system.
• B) combustion of fuels within the system.
• C) radioactive decay of elements within the system.
• D) all of the above.
• E) only (b) and (c) above.

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Definitions:

Diencephalon

The portion of the brain that contains structures such as the thalamus and hypothalamus, involved in sensory and autonomic functions.

Subthalamic Nuclei

A small group of cells located in the brain that are part of the basal ganglia system, involved in regulating movements.

Pineal Body

A small gland in the brain involved in the production of the hormone melatonin, regulating sleep patterns.

Third Ventricle

A narrow, midline cavity in the brain, part of the ventricular system where cerebrospinal fluid is produced and circulates, located between the two halves of the thalamus.