Give the major function of each branch of the human nervous system Central Nervous System (CNS): Peripheral Nervous System (PNS): Give real life examples.
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Q: Select
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- Give the major function of each branch of the human nervous system
- Central Nervous System (CNS):
- Peripheral Nervous System (PNS):
Give real life examples.
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Solved in 2 steps
- Match the following statements about anatomy to the correct division of the autonomic nervous system. Select "Both" if the statement or effect is true of both divisions. Innervate(s) most major organs of the body. Innervate(s) most blood vessels. Most effector pathways involve two neurons. The vagus cranial nerve carries these fibers. ANSWER OPTIONS: Parasympathetic, Sympathetic, BOTHDiscuss the major parts and functions of the nervous system.Describe how an action potential in the presynaptic neuron is generated in the postsynaptic neuron. Label the presynaptic neuron, postsynaptic neuron and synapse. Explain what is happening in figure on the left. Use key terms in order AND label on diagram: presynaptic axon terminal, action potential, calcium, vesicle, neurotransmitters, synapse Explain what is happening in the figure on the right. Use key terms in order AND label on diagram: neurotransmitter, postsynaptic receptor, sodium ions, excitatory postsynaptic potential (EPSP), depolarization, action potential, postsynaptic neuron
- Classify the following characteristics to demonstrate your knowledge of differences between the autonomic and somatic divisions of the nervous system. Neurons release acetylcholine that binds to nicotinic acetylcholine receptors located on the effector organs Can lead to excitation or inhibition of the Neurons are also called motor neurons effectors Receptors on effector organs are also responsive to epinephrine that is released into the blood by the adrenal medulla Innervates smooth and cardiac muscle, glands, and Gl neurons Neurons release norepinephrine that binds to adrenergic receptors located on the effector organs Has two-neuron chain between the CNS Single neuron between the CNS and effectors Neurons release acetylcholine that binds to muscarinic acetylcholine receptors located on the effector organs and effectors Can lead only to excitation of the effectors Activates skeletal muscles Autonomic Nervous System Somatic Nervous SystemIn the sympathetic division of the autonomic nervous system: Select one: The ratio between the number of postganglionic and preganglionic neurons is small. A single preganglionic neuron usually synapses with a single postganglionic neuron. An important functional characteristic is convergence of the preganglionic fibers. Preganglionic fibers are usually much longer than the postganglionic fibers. Activity of the neurons tends to have a more generalized and widespread effect on the body.With respect to the three structural types of neurons (unipolar, bipolar & multipolar): State which parts of each type of neuron receive information, which parts integrate information, and which parts conduct the output signal of the neuron. Describe the location of the cell bodies of each type of neuron within the nervous system.
- Fill in the descriptions for the following terms as they relate to the PNS or CNS neural tissue: Tract: Bundles of [ Select ] ["axons", "cell bodies"] in the [ Select ] ["CNS", "PNS"] Nerve: Bundles of [ Select ] ["axons", "cell bodies"] in the [ Select ] ["CNS", "PNS"] Ganglion: Bundles of [ Select ] ["axons", "cell bodies"] in the [ Select ] ["CNS", "PNS"] Nucleus: Bundles of [ Select ] ["axons", "cell bodies"] in the [ Select ] ["CNS", "PNS"]Identify and label the following structures on the neuron model figure below: cell body, dendrites, neuron nucleus, neurolemma, axon hillock, nucleus of Schwann cell, Nissl bodies, myelin sheath, axon, node of Ranvier, axon terminals (of neurons synapsing with model neuron), endoneurium (refer to Figure 10.6). 3) 11Classify the following images into the types of neural circuits they represent. Diverging Reset Converging Parallel after-discharge Reverberating
- b) Draw a simple summary diagram displaying the different levels of organisation of the nervous system. Include bullet points under each level to describe the function of that part. The bullet points should specifically include details of the role of that part of nervous system in homeostasis. no pics Question 2 (AC 2.1)Name the following parts of the neuron as indicated. Specify the functions of each part. 1 7 2 5 4 3 Illustrate and explain the reflex arc. Illustrate and explain transmission of neuronal impulses across synapse.Match the following components of the nervous system with their correct descriptions Interneurons Sensory neurons Motor neurons Nerve net Neurons that send signals to effector cells like muscles and glands that affect change Neurons that carry signals from the environment to the central nervous system from the peripheral nervous system Neurons that transmit signals between other neurons, part of the CNS A diffuse arrangement of neurons that are found in jellyfish and other cnidarians
