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Terms in this set (30)
a specialized cell transmitting nerve impulses; a nerve cell.
the bushy, branching extensions of a neuron that receive messages and conduct impulses toward the cell body
A threadlike extension of a neuron that carries nerve impulses away from the cell body.
This sends impulses/messages across the synapse to another neuron or muscles or glands.
chemical messengers that cross the synaptic gaps between neurons.
the junction between the axon tip of the sending neuron and the dendrite of the receiving neuron
an organ of soft nervous tissue contained in the skull of vertebrates, functioning as the coordinating center of sensation and intellectual and nervous activity.
a major part of the central nervous system which conducts sensory and motor nerve impulses to and from the brain
contains cells with the specialized ability to react to stimuli and to conduct electrical impulses
Autonomic Nervous System (ANS)
the part of the peripheral nervous system that controls the glands and the muscles of the internal organs (such as the heart).
Somatic Nervous System
the division of the peripheral nervous system that controls the body's skeletal muscles
Central Nervous System (CNS)
consists of the brain and spinal cord
Peripheral Nervous System (PNS)
the sensory and motor neurons that connect the central nervous system (CNS) to the rest of the body.
Area of the brain responsible for all voluntary activities of the body
Part of brain beginning where the spinal cord swells as it enters the skull; the brainstem is responsible for automatic survival functions such as heartbeat and breathing
Found at the back of the brain. Plays a major role in maintaining balance and coordination of voluntary motor skills.
A region of the cerebral cortex that processes visual information
A region of the cerebral cortex whose functions include processing information about touch, number relationships and understanding of objects, shapes and spaces.
A region of the cerebral cortex that has specialized areas for movement, abstract thinking, planning, memory, and judgement
An area on each hemisphere of the cerebral cortex near the temples that is the primary receiving area for auditory information
neurons that receive information from the external world and convey this information to the brain via the spinal cord
neurons that carry outgoing information from the brain and spinal cord to the muscles and glands
neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor outputs
A relatively direct connection between a sensory neuron and a motor neuron that allows an extremely rapid response to a stimulus, often without conscious brain involvement.
Reflex ARC Components. Life saving actions
receptor, sensory neuron, integration center (spine), motor neuron, effector (muscle)
a simple, automatic response to a sensory stimulus, such as the knee-jerk response
Concussion - Signs and Symptoms
A concussion is an injury to the brain caused by a sudden blow or jarring of the brain
rapid mood swings
loss of consciousness
ADHD (Attention-Deficit Hyperactivity Disorder)
a psychological disorder marked by the appearance by age 7 of one or more of three key symptoms: extreme inattention, hyperactivity, and impulsivity
addictive drug found in tobacco leaves and in all tobacco products including cigarettes, vapes and chewing tobacco
a progressive and irreversible brain disorder characterized by gradual deterioration of memory, reasoning, language, and, finally, physical functioning
Recommended textbook explanations
Anatomy & Physiology Student Workbook
Kent Pryor, Richard Allan, Tracey Greenwood
The Human Body in Health & Disease
Gary A. Thibodeau, Kevin T. Patton
Anatomy and Physiology
Human Anatomy And Physiology
Elaine N. Marieb, Katja Hoehn
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