Elephants primarily use infrasound for communication because it, travels faster than normal sound, can travel up to 5 miles through air under ideal conditions, is louder than human-audible sounds, requires less energy to produce, What specialized structures do elephants use to detect seismic waves?, Ears and cochlea, Pressure-sensing nerve endings in feet and trunk, Hair cells in the inner ear, Magnetoreceptors in the brain, A neuron that transmits signals from the spinal cord to skeletal muscle is classified as a, Sensory neuron, Interneuron, Motor neuron, Supporting neuron, The myelin sheath is important because it, produces neurotransmitters, increases the speed of nerve signal transmission, generates resting potential, stores calcium ions, In multiple sclerosis (MS), destruction of the myelin sheath would most directly impair, Neurotransmitter release, Speed of nerve impulses, Generation of action potentials, Ion pump function, Which sequence correctly shows the flow of information from stimulus to response?, Interneuron → Motor neuron → Sensory neuron, Sensory neuron → Interneuron → Motor neuron, Motor neuron → Sensory neuron → Interneuron, Interneuron → Sensory neuron → Motor neuron, The central nervous system (CNS) consists of the, Brain and nerves throughout the body, Spinal cord and peripheral nerves, Brain and spinal cord, Nerves and ganglia, At resting potential, the inside of a neuron is, Positively charged compared to the outside, Negatively charged compared to the outside, Electrically neutral, Highly variable in charge, The minimum change in membrane voltage required to trigger an action potential is called the, Resting potential, Threshold, Propagation point, Refractory potential, During an action potential, the first set of ion channels that open allows, Positive ions to leave the neuron, Negative ions to enter, Positive ions to enter the neuron, Potassium ions to be pumped out.

Nervous System

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