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The most common element by mass percent in the human body is
Axon
A long, slender projection of a nerve cell, or neuron, that typically conducts electrical impulses away from the neuron's cell body.
Dendrites
The branched projections of a neuron that act to conduct the electrochemical stimulation received from other neural cells to the body, or soma, of the neuron.
Myelin Sheath
A fatty layer that encases the axons of many neurons, speeding up the transmission of nerve impulses.
Multiple Sclerosis
A chronic autoimmune disease that affects the central nervous system, leading to various neurological symptoms.
Q11: Which group contains only f-block elements?<br>A)Ni,Pd,Pt<br>B)Si,Ge,As<br>C)Ce,Pr,Nd<br>D)Kr,Xe,Rn<br>E)Po,Fr,Ac
Q16: Monosaccharides are classified as either _ or
Q43: P<sub>4</sub> (s)+ 10 Cl<sub>2</sub> (g)→ 4 PCl<sub>5
Q55: Which functional group below represents a ketone?<br>A)<br><img
Q110: Chemistry is important to the study of
Q124: Which of the following bases pairs with
Q153: The molecule CH<sub>3</sub>CH<sub>2</sub>CO<sub>2</sub>CH<sub>2</sub>CO<sub>2</sub>H contains an _ functional
Q154: What group of elements is most likely
Q196: Which of the hydrogen halide acids is
Q240: The oxidation numbers of nitrogen in NH<sub>4</sub>NO<sub>3</sub>