Examlex
Spinal reflex centers are located in the gray matter of the spinal cord.
Protons
Positively charged particles found within an atom's nucleus, contributing to the atom's mass and charge.
Neutrons
Subatomic particles found in the nucleus of an atom, with no electric charge and a mass slightly larger than that of a proton.
X-rays
Electromagnetic waves with wavelengths shorter than those of visible light, capable of penetrating solids and ionizing gases, widely used in medicine and industry for imaging and diagnostic purposes.
Bones
Hard, dense connective tissue forming the skeleton, providing structure and protection to the body as well as assisting with movement.
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