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Motor nerve impulses pass from a neuron to a muscle cell ________.    carried by neurotransmitters across neuromuscular...

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Medical Sciences

Motor nerve impulses pass from a neuron to a muscle cell________.   

carried by neurotransmitters

across neuromuscular junctions

across a synapse

using acetylcholine

all of the choices

Sarcomeres contain thin filaments of ________ and thickfilaments of ________.  

fast fibers, slow fibers

actin, myosin

hemoglobin, myoglobin

troponin, tropomyosin

creatine, adenosine

The muscular system consists of all the following EXCEPT

sarcomeres

myofillaments

tendons

Voluntary striated skeletal muscle fibers

Voluntary smooth muscle cells

Involuntary striated cardiac muscle fibers

Skeletal muscle contractions are controlled by___ that stimulateor inhibit contraction of sarcomeres.

neuroglia

motor neurons

mitochondria

myoglobins

Answer & Explanation Solved by verified expert
3.7 Ratings (411 Votes)
Q1All of these During a Muscle Contraction Motor neurons carry Impulse Which reach the Axon terminal Pre synaptic MembraneThere is opening of Voltage gated Ca2 channelsInflux of ca2This Causes binding of Synaptic vesicels that contain neurotransmitter like Acetyl cholineto the pre synaptic membraneFuses with itRelease NeurotransmitterAcetyl choline to Synaptic cleftBinds to Acetyl choline receptors    See Answer
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