Examlex
There are ____________________ pairs of spinal nerves and ____________________ pairs of cranial nerves.
Physical Activity
Any bodily movement produced by skeletal muscles that requires energy expenditure, including exercise and activities undertaken while working, playing, or performing daily chores.
Mental Activity
The operation of the mind through processes like thinking, learning, memory, perception, and problem-solving.
Goods
Tangible items that are produced, bought, or sold, serving as objects of commerce and economic transactions.
Services
Activities or functions that are provided by individuals or organizations to fulfill the needs or wants of others.
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