Examlex
To represent a tree structure using indexes,store each 1:N relationship as an index.
Arrector Pili
Small muscles attached to hair follicles in mammals; their contraction causes hair to stand up, known as "goosebumps."
Voluntary Control
The conscious regulation of skeletal muscles and movements by the brain, permitting actions like walking, speaking, and grabbing.
Nervous Tissue
Specialized tissue that makes up the central and peripheral nervous systems, consisting of neurons and supporting cells, responsible for transmitting nerve signals.
Neurons
Nerve cells that are the building blocks of the nervous system, involved in processing and transmitting information through electrical and chemical signals.
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