You are driving at night on a two lane road, and you see a bright light. The light pass through your pupil, and your lens concentrates the light at retina. This stimulates the visual pathway. Your visual association center processes the signal from your eye and determines the lights is from a flashlight that an old lady is holding while crossing the street. Your visual association center sends a signal to your primary motor cortex, which sends a signal down the lateral corticospinal tract. This signal then proceeds down the spinal cord, out the posterior gray horn of the spinal cord, and out the ventral roots of efferent motor neurons. The motor signal travels from the sacral plexus and out towards the sciatic nerve. To answer this question, number the following steps in the correct order starting with the signal exiting the sciatic nerve. Number in order from 1-15 ______The cycle repeats and now many muscle fibers in the gastrocnemius begin to contracts in unison. _____Calcium ions binds to troponin complex. ______ATP is converted and myosin head pivots moving the thin filaments to closer to the M line. ________Signal exits the sciatic nerve and travels into a branch nerve. _______Motor neuron releases acetylcholine into neuromuscular junction. ________Myosin binds to the myosin binding site on the actin filament, forming the cross-bridges. ________Gastrocnemius contracts causing plantar flexion, which results in you pressing the brakes hard to stop your car. ___________Ca2+ bounded to troponin stimulates the tropomyosin strands to move away exposing myosin binding site. _______Action potential travels from sarcolemma towards the T tubules . _______Calcium ions are released. _________Acetylcholine causes the muscle fiber to depolarize through the influx of sodium. ________Signal travels from the nerve to the muscles fibers of the gastrocnemius. __________Action potential travels and stimulates the sarcoplasmic reticulum. _________Acetylcholine binds to acetylcholine receptors on the muscle fiber. __________Signal reaches the synaptic and bulbs of the motor neurons.
You are driving at night on a two lane road, and you see a bright light. The light pass through your pupil, and your lens concentrates the light at retina. This stimulates the visual pathway. Your visual association center processes the signal from your eye and determines the lights is from a flashlight that an old lady is holding while crossing the street. Your visual association center sends a signal to your primary motor cortex, which sends a signal down the lateral corticospinal tract. This signal then proceeds down the spinal cord, out the posterior gray horn of the spinal cord, and out the ventral roots of efferent motor neurons. The motor signal travels from the sacral plexus and out towards the sciatic nerve. To answer this question, number the following steps in the correct order starting with the signal exiting the sciatic nerve. Number in order from 1-15 ______The cycle repeats and now many muscle fibers in the gastrocnemius begin to contracts in unison. _____Calcium ions binds to troponin complex. ______ATP is converted and myosin head pivots moving the thin filaments to closer to the M line. ________Signal exits the sciatic nerve and travels into a branch nerve. _______Motor neuron releases acetylcholine into neuromuscular junction. ________Myosin binds to the myosin binding site on the actin filament, forming the cross-bridges. ________Gastrocnemius contracts causing plantar flexion, which results in you pressing the brakes hard to stop your car. ___________Ca2+ bounded to troponin stimulates the tropomyosin strands to move away exposing myosin binding site. _______Action potential travels from sarcolemma towards the T tubules . _______Calcium ions are released. _________Acetylcholine causes the muscle fiber to depolarize through the influx of sodium. ________Signal travels from the nerve to the muscles fibers of the gastrocnemius. __________Action potential travels and stimulates the sarcoplasmic reticulum. _________Acetylcholine binds to acetylcholine receptors on the muscle fiber. __________Signal reaches the synaptic and bulbs of the motor neurons.
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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You are driving at night on a two lane road, and you see a bright light. The light pass through your pupil, and your lens concentrates the light at retina. This stimulates the visual pathway. Your visual association center processes the signal from your eye and determines the lights is from a flashlight that an old lady is holding while crossing the street. Your visual association center sends a signal to your primary motor cortex, which sends a signal down the lateral corticospinal tract. This signal then proceeds down the spinal cord, out the posterior gray horn of the spinal cord, and out the ventral roots of efferent motor neurons. The motor signal travels from the sacral plexus and out towards the sciatic nerve. To answer this question, number the following steps in the correct order starting with the signal exiting the sciatic nerve. Number in order from 1-15
______The cycle repeats and now many muscle fibers in the gastrocnemius begin to contracts in unison. _____Calcium ions binds to troponin complex. ______ATP is converted and myosin head pivots moving the thin filaments to closer to the M line. ________Signal exits the sciatic nerve and travels into a branch nerve.
_______Motor neuron releases acetylcholine into neuromuscular junction.
________Myosin binds to the myosin binding site on the actin filament, forming the cross-bridges. ________Gastrocnemius contracts causing plantar flexion, which results in you pressing the brakes hard to stop your car.
___________Ca2+ bounded to troponin stimulates the tropomyosin strands to move away exposing myosin binding site.
_______Action potential travels from sarcolemma towards the T tubules .
_______Calcium ions are released. _________Acetylcholine causes the muscle fiber to depolarize through the influx of sodium. ________Signal travels from the nerve to the muscles fibers of the gastrocnemius.
__________Action potential travels and stimulates the sarcoplasmic reticulum.
_________Acetylcholine binds to acetylcholine receptors on the muscle fiber.
__________Signal reaches the synaptic and bulbs of the motor neurons.
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