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Muscle Contraction and Nervous System Functions

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Muscle Contraction and Nervous System Functions Sarcomere - AnswersSmallest functional unit of muscle contraction. Sarcoplasmic reticulum - AnswersStores calcium ions in muscle cells. Acetylcholinesterase - AnswersEnzyme that breaks down acetylcholine. Masseter - AnswersStrongest muscle...

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  • December 21, 2024
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©Themoon EXAM SOLUTIONS

21/12/2024 11:21AM


Muscle Contraction and Nervous System
Functions

Sarcomere - Answers✓✓Smallest functional unit of muscle contraction.



Sarcoplasmic reticulum - Answers✓✓Stores calcium ions in muscle cells.



Acetylcholinesterase - Answers✓✓Enzyme that breaks down acetylcholine.



Masseter - Answers✓✓Strongest muscle in the human body.



Muscle tone - Answers✓✓Partial, sustained contraction of muscle fibers.



Calcium channel blockage - Answers✓✓Decreases acetylcholine release at synapse.



Isometric contraction - Answers✓✓Muscle contracts without changing length.



Cardiac muscle - Answers✓✓Muscle type with intercalated discs.



Smooth muscle - Answers✓✓Lines organs and blood vessels.



Synaptic cleft - Answers✓✓Site where neurotransmitters are released.



Calcium ions - Answers✓✓Trigger neurotransmitter release at synaptic terminal.

, ©Themoon EXAM SOLUTIONS

21/12/2024 11:21AM



Absolute refractory period - Answers✓✓No action potential can be generated.



Sympathetic nervous system - Answers✓✓Controls 'fight or flight' responses.



Dendrite - Answers✓✓Portion of neuron that receives signals.



Oligodendrocyte - Answers✓✓Glial cell that forms myelin in CNS.



Bipolar neuron - Answers✓✓Neuron with one axon and one dendrite.



Resting membrane potential - Answers✓✓Inside of neuron is negatively charged.



Action potential - Answers✓✓Sodium ions flow into the neuron.



Intraocular pressure - Answers✓✓Maintained by fluid in anterior eye cavity.



Myofibril - Answers✓✓Contractile element within muscle fibers.



Glycogen storage - Answers✓✓Not a primary function of sarcoplasmic reticulum.



Electrical impulse transmission - Answers✓✓Not a function of sarcoplasmic reticulum.



Vitreous humor - Answers✓✓Gel-like substance filling the eye's interior.

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