An Early Type of Book, the ______________________ Was Made Up

question 15

Short Answer

An early type of book, the ______________________ was made up of sheets of parchment that were cut and sewn together along the edge, then bound with thin pieces of wood and covered with leather.

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Definitions:

Chemical Synapses

Sites where neurons communicate with each other or with effector organs through chemical messengers.

Electrical Synapses

Specialized junctions between cells that allow for the direct passage of ions and electrical signals, facilitating rapid communication.

Amine Neurotransmitters

Amine neurotransmitters are chemical messengers derived from amino acids that transmit nerve impulses across synapses, including serotonin, dopamine, and norepinephrine.

Sensory Synapses

The connection points between sensory neurons and their target cells, where the transmission of sensory information takes place.