Neurons And The Neuromuscular Junction: Their Structure And Function

Name ______________________ Date_____ / _____ / _________ www.EasyTeacherWorksheets.com NEURONS AND NEUROMUSCULAR JUNCTIONS Provide the missing terms in the blanks below . The specialized cells for transmitting nerve impulses are called _______________. The nucleus is located in the _______________ of the neuron. Two types of structures in the cell body carry out the functions. Transmission of nerve impulses away from the cell body is done by the _____________ whereas transmission of nerv e impulses from other cells or sensory systems is done by the __________________. A single neuron can be over a meter long, mainly due to the length of the _________________. Cells called ______________ are associated with axons and form a __ ________________ around many vertebrate neurons to provide support. Interruptions in the myelin sheath where the axon is in direct contact with surrounding intercellular fluid are called _____________________. The narrow spaces between a neuron and a muscle are called ____________________ junctions and the chemical ___ ___________ acts as the neurotransmitter. This neurotransmitter is released from the __________ and depolarizes the muscle cell membrane which triggers muscle ________________. Neuromuscular Junction Provide the labels for the neuromuscular junction shown below . a. Acetylcholine sac s b. Cleft c. Muscle fiber d.