Examlex
There are more chemoreceptor special senses than photoreceptor special senses.
ATP
The molecule adenosine triphosphate, ATP, facilitates intracellular energy transportation necessary for metabolism.
Myoglobin
A crimson-colored protein, which includes heme, responsible for transporting and holding oxygen within muscle cells, and closely resembles the structure of hemoglobin.
Motor Units
Refers to the combination of a motor neuron and the skeletal muscle fibers innervated by that motor neuron's axonal terminals.
Muscle Fibers
Long, slender cells that make up muscles, capable of contracting to produce movement in parts of the body.
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