Isthenia gravis, you have to understand the chain of events from the conscious decision to move a limb to the eventual stimulation of a muscle cell. Describe how nerve impulse conducted down the axon of a motor neuron induce contraction of the Mr. Aletha's muscle cells (Figure 31.1). 2. If you want to lift a whole bag of groceries versus a single apple, how do you increase the force with which you contract a muscle such as your biceps? What is a motor unit? What is the difference between temporal and spatial summation? 3. What is the neurotransmitter that acts at the motor endplate to initiate muscle contraction?
Isthenia gravis, you have to understand the chain of events from the conscious decision to move a limb to the eventual stimulation of a muscle cell. Describe how nerve impulse conducted down the axon of a motor neuron induce contraction of the Mr. Aletha's muscle cells (Figure 31.1). 2. If you want to lift a whole bag of groceries versus a single apple, how do you increase the force with which you contract a muscle such as your biceps? What is a motor unit? What is the difference between temporal and spatial summation? 3. What is the neurotransmitter that acts at the motor endplate to initiate muscle contraction?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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