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How many neurons extend from spinal cord to skeletal muscle Effexor?
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What components of nerves are involved in skeletal muscle movement?
The motor neurons are responsible in skeletal muscle movement.
2 cell populations that do not divide?
Skeletal muscle, cardiac muscle and mature neurons.
What is the substance used by motor neurons to transmit stimuli to skeletal muscle?
norepinephrine
Where do nerve impulses first stimulate a skeletal muscle fiber?
The motor nerve cells control the skeletal muscle
What is the relationship between the number of motor neurons recruited and the number of skeletal muscle fibers innervated?
Typically, hundreds of skeletal muscle fibers are innervated by a single motor neuron.Completed
What is the point of contact between motor neurons and a skeletal muscle cell?
A nueromusculator junction
What type of excitatory neurotransmitter is secreted by motor neurons innervating skeletal muscle?
Acetylcholine is the excitatory neurotransmitter released by neurons innervating skeletal muscles. Acetylcholine release stimulates muscle contraction by acting at the nicotinic-acetylcholine receptor on the surface of the muscle cell.
Are striated under skeletal muscle?
Because muscle cells can only contract, not extend, skeletal muscles most work in pairs. While one muscle contracts, the other muscle in the pair relaxes to its original length.
What travels from your brain to your skeletal muscle cells when you move?
When you decide to move, an electrical signal called an action potential is generated in your brain. This signal travels along your neurons and reaches the skeletal muscle cells via motor neurons. At the neuromuscular junction, a chemical called acetylcholine is released, which stimulates the muscle fibers to contract and initiate movement.
Type of muscle that is voluntary and striated?
SKELETAL (:
What muscle tissue is multinucleated?
skeletal muscles
Which muscle is not directly controlled by the autonomic nervous system?
smooth muscle, cardiac muscle and most glands
