Examlex
The order of subshells of increasing energy in a multiple-electron atom is 6s, 4f, 5d, 6p.
Muscle Contractions
Muscle contractions refer to the tightening or shortening of muscles, which results in movement or maintenance of posture.
ACh
Short for Acetylcholine, a neurotransmitter in the body involved in many functions including muscle movement and memory.
Dopamine
A neurotransmitter in the brain associated with pleasure, movement, and the reward system.
Myelin Sheath
A fatty layer that surrounds nerve fibers, facilitating the rapid transmission of electrical signals in the nervous system.
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