Examlex
A Carnot cycle consists of
Pupil
The black circular opening in the center of the iris of the eye, which varies in size to regulate the amount of light reaching the retina.
"Goose Bumps"
"Goose bumps" occur when tiny muscles at the base of each hair, known as arrector pili muscles, contract and cause the hair to stand up, a reaction to cold or strong emotions.
Neuroglia
Supportive cells in the nervous system that do not conduct electrical impulses but are critical for the care and feeding of neurons.
Neurons
Specialized cells of the nervous system responsible for transmitting electrical impulses throughout the body, facilitating communication between different parts of the body.
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