Examlex
Sympatric speciation is the most common method of speciation and accounts for almost all evolution of new animal species.
Muscle Action
The process by which muscles contract and relax, leading to movement of body parts.
Charged Ions
Atoms or molecules that have gained or lost one or more electrons, resulting in a net electrical charge.
Neuron
A specialized cell transmitting nerve impulses; a nerve cell, which is the basic building block of the nervous system.
Neurotransmitters
Chemicals that transmit signals across a synapse from one neuron to another in the brain.
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