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The normal pacemaker of the heart is the
Spinal Cord
A long, thin, tubular bundle of nervous tissue and support cells that extends from the brain, running down the back, and acts as the main pathway for information connecting the brain and peripheral nervous system.
Meninges
Layers of connective tissue that enclose the brain and spinal cord.
Cerebrospinal Sheaths
Protective layers that surround the brain and spinal cord, consisting of the dura mater, arachnoid mater, and pia mater, collectively known as the meninges.
Acetylcholine
A neurotransmitter involved in many functions including muscle activation, heart rate, digestion, and brain processing.
Q15: Which of the labeled cells in the
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Q17: Autoregulation of blood flow through tissues is
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Q42: Atherosclerosis is a condition in which<br>A)the arteries
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Q74: The amount of air left in the
Q79: Prolactin is a hormone involved in the