Worksheet On Nervous System

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1. a) What are the parts of a neuron? - The parts of a neuron are dendrites, axons, the cell body, the terminal branches and myelin sheath. b) How are neural impulses generated? - Neural impulses are generated when a brief electrical charge travels down the spine. c) How does one nerve cell communicate with another? - Nerve cells communicate with one another through neurotransmitters. 2. a) Explain what neurotransmitters are? - Neurotransmitters are chemical messengers that cross the synaptic gaps between neurons. When released by the sending neuron, neurotransmitters travel across the synapse and bind to receptor sites on the receiving neuron, thereby influencing where that neuron will generate a neural impulse. b) What is an agonist?…show more content…
- Temporal: associated with perception and recognition of auditory stimuli, memory and speech. c) What lobe would process words that we hear? - The temporal lobe. d) What lobe would process words that we see? - The occipital lobe. e) What lobe would process words that we speak? - The frontal lobe. 4. The brain and spinal cord comprise the __central__ nervous system. The neurons that link the brain and spinal cord to the body’s sense receptors, muscles, and glands form the _peripheral_ nervous system. 5. The ___EEG____ is a recording of the electrical activity of the whole brain. 6. The oldest and innermost region of the brain is the brain stem__. 7. The non-neural cells that support, protect, and nourish cortical neurons are called ____glial cells____. New evidence suggests that these cells may also play a role in ____learning______ and ___thinking_____. 8. Automatic responses to stimuli, called ____reflexes_____, illustrate the work of the ____spinal____ ____cord____. Simple pathways such as these are involved in the _____knee_____-____jerk______ response and in the ____pain______

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