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Cards In This Set
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The organs of the nervous system consist of the:
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Brain, spinal cord, nerves and specialised sensory organs
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Control of the body's cells is accomplished by two communication systems:
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Nervous system, transmits info rapidly by nerve impulses from one area of body to another
endocrine system, transmits info more slowly by hormones secreted by ductless glands into bloodstream |
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Nerves extend from the ______ and the ______ ______ to every area of the body which makes it possible for it to perform primary functions like: ____________, ___________,___________,between body functions and ___________ of sensory stimuli - these 4 functions are accomplished by specialised signals called ________ ________
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Brain, spinal cord, communication, integration and control, recognition, nerve impulses
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The nervous system can recognise certain __________ such as heat, light, pressure, temperature that affect the body
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Stimuli
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The nervous sytem is in 2 divisions the _______ nervous system and the __________ nervous system - a subdivision of the _________ nervous system is called the __________ nervous system, the ANS consists of structures that regulate body's automatic or voluntary functions.
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Central, peripheral, peripheral, autonomic
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2 major structures of the CNS are the _______ and _______ which are found along longitudinal plane of body
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Brain, spinal cord
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The brain is protected in the cranial cavity of the _______ and the spinal cord is surrounded in the spinal cavity by the _________ ________
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Skull, vertebral column
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The brain which is one of the largest _______ consists of 4 major divisions:
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Organs, brain stem (medulla oblongata, pons, midbrain), cerebellum, diencephalon (hypothalamus, thalamus), cerebrum (cerebral cortex, corpus callosum)
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Brain stem consists of 3 parts the _____ _______ _______ sensory fibres send impulses ____ from spinal cord to brain and motor fibres send impulses ______ from brain to spinal cord
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Medulla oblongata, pons, and midbrain, up, down
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Many important physiological reflex centres lie in the brain stem like
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Cardiac - heartbeat, respiratory - respirations, vasamotor centres - blood pressure control
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The _______________ is the 2nd largest part of the brain whose functions are to produce smooth coordinated _________, maintain ____________ and sustain normal __________.
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Cerebellum, movements, equilibrium, postures
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The diencephaon consists of 2 major structures, the _______________ and _____________
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Hyphothalamus, thalamus
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The ____________ is located below the thalamus, it exerts major control over all internal __________, examples of vital functions it controls are the ______ ______, constrication and ________ of ________ ________ and contractions of _________ and ________
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Hypothalamus, organs, heart beat, dialation blood vessels, stomach,intestines
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The hypthalamus is part of the ____________ system as well
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Endocrine
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The ________(2 thalamus organs) help produce _____________ by relaying _________ to the cerebral cortex from the ________ organs and associates sensations with ___________, ___________ and upleasant feelings and ____________
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Thalami, sensations, impulses, sense, emotions, pleasant, arrousal
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