Examlex
Discuss the origins of the race concept.Include early scientists and their views on human variation.
Bone
A rigid organ that constitutes part of the vertebrate skeleton, composed primarily of calcium phosphate and collagen, providing support and protection.
Neuroglial Cells
Supportive cells in the nervous system that provide protection, support, and nutrition to neurons.
Neurons
Specialized cells transmitting nerve impulses; they are the fundamental units of the brain and nervous system.
Nerve Impulses
Electrical signals that travel along nerve fibers, used for communication between different parts of the body.
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