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AP Psychology Chapter 2 section 2
Terms in this set (17)
the body's speedy, electrochemical communication network, consisting of all the nerve cells of the peripheral and central nervous systems.
central nervous system (CNS)
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.
neural "cables" containing many axons. These bundled axons, which are part of the peripheral nervous system, connect the central nervous system with muscles, glands, and sense organs.
neurons that carry incoming information from the sense receptors to the central nervous system.
neurons that carry outgoing information from the central nervous system to the muscles and glands.
central nervous system neurons that internally communicate and intervene between the sensory inputs and motor outputs.
somatic nervous system
the division of the peripheral nervous system that controls the body's skeletal muscles. Also called the skeletal nervous system.
autonomic nervous system
the part of the peripheral nervous system that controls the glands and the muscles of the internal organs. Its parasympathetic divisions calms.
sympathetic nervous system
the division of the autonomic nervous system that arouses the body, mobilizing its energy in stressful situations.
parasympathetic nervous system
the division of the autonomic nervous system that calms the body, conserving its energy.
a simple, automation, inborn response to a sensory stimulus, such as the knee-jerk response.
interconnected neural cells. With experience, networks can learn as feedback strengthens or inhibits connections that produce certain results. Computer simulations of neural networks show analogous learning.
the body's "slow" chemical communication system; a set of glands that secrete hormones into the bloodstream.
chemical messengers, mostly those manufactured by the endocrine glands, that are produced in one tissue and affect another.
a pair of endocrine glands just above the kidneys. The adrenals secrete the hormones epinephrine and norepinephrine which also help to arouse the body in times of stress.
the endocrine system's most influential gland. Under the influence of the hypothalamus, it regulates growth and controls other endocrine glands.
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