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The part of the brain located at the back of the cerebrum that coordinates voluntary movements is the _ _ _ _ _ _ _ _ _ _ _ _ _ _.Axons are surrounded by a spirally-coiled sheath of fatty substance called the _ _ _ _ _ _ _ _ _ _ _ _ _ _ sheath.The brain is protected by three membranes called _ _ _ _ _ _ _ _ _ _ _ _ _ _ and is enclosed in a bony skull.Multicellular organisms exercise chemical control through hormones using the _ _ _ _ _ _ _ _ _ _ _ _ _ _ system.The specific chemical neurotransmitter that propagates nerve impulses across the synaptic gap is _ _ _ _ _ _ _ _ _ _ _ _ _ _.A bundle of nerve fibres wrapped in a sheath of connective tissue is called a _ _ _ _ _ _ _ _ _ _ _ _ _ _.A _ _ _ _ _ _ _ _ _ _ _ _ _ _ is an information received by the nervous system about the conditions in the environment inside or outside the body.The peripheral nervous system of humans contains _ _ _ _ _ _ _ _ _ _ _ _ _ _ pairs of spinal nerves.Several finger-like projections branching out from the cyton are called _ _ _ _ _ _ _ _ _ _ _ _ _ _.The human cerebrum is estimated to contain about _ _ _ _ _ _ _ _ _ _ _ _ _ _ billion neurons.The point of contact between terminal branches of an axon and dendrites of an adjacent neuron is called a _ _ _ _ _ _ _ _ _ _ _ _ _ _.The process in which receptors convert environmental stimuli into electrical nerve impulses is called _ _ _ _ _ _ _ _ _ _ _ _ _ _.There are _ _ _ _ _ _ _ _ _ _ _ _ _ _ pairs of cranial nerves that arise from the brain and supply different parts of the head.The structural and functional units of the nervous system are called _ _ _ _ _ _ _ _ _ _ _ _ _ _.The folds and grooves present in the wall of the cerebral hemispheres are called _ _ _ _ _ _ _ _ _ _ _ _ _ _ and sulci respectively.The regular constrictions found along the length of an axon are known as _ _ _ _ _ _ _ _ _ _ _ _ _ _.Parasympathetic nerves arise from the brain, as well as the cervical and _ _ _ _ _ _ _ _ _ _ _ _ _ _ regions of the spinal cord.Nerves that contain only sensory nerve fibres, such as the optic nerve of the eye, are called _ _ _ _ _ _ _ _ _ _ _ _ _ _ nerves.The outer layer of the brain is formed of _ _ _ _ _ _ _ _ _ _ _ _ _ _ matter, which is mainly composed of the cell bodies of neurons.Normal control over the functioning of body tissues and organs at the correct speed and sequence simultaneously is known as _ _ _ _ _ _ _ _ _ _ _ _ _ _.The posterior-most part of the brain is called the medulla oblongata or the _ _ _ _ _ _ _ _ _ _ _ _ _ _.The sympathetic and parasympathetic nervous systems are described as _ _ _ _ _ _ _ _ _ _ _ _ _ _ because they have opposite effects on the same organ.Dendrites receive impulses from neighbouring neurons and conduct them to the cyton, which is called an _ _ _ _ _ _ _ _ _ _ _ _ _ _ process.The nerve going to the lower jaw, face, neck, and salivary glands is an example of a _ _ _ _ _ _ _ _ _ _ _ _ _ _ nerve.In the spinal cord, the gray matter is centrally located in an _ _ _ _ _ _ _ _ _ _ _ _ _ _ region.
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Chapter: 07. Nervous System
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