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Nervous System
Nervous System (C25,S1)
| Question | Answer |
|---|---|
| Nervous system includes the brain and the? | spinal cord |
| Autonomic controls | involuntary |
| Type of neuron that carries nerve impulses to muscles and glands | motor |
| Type of neuron that gathers info from the body | sensory |
| Connects central nervous system (CNS) to the rest of the body | Peripheral Nervous System |
| The long nerve fiber that SEND electrical impulses to other cells | axons |
| Part of the brain that controls involuntary actions | medulla |
| Part of the brain where you think and store memories (also controls voluntary movements) | cerebrum |
| In a neuron impulses move from the axon to the? | axon terminal |
| “Little Brain;” helps with learning, remembering, and coordination of movements; important in balance | cerebellum |
| The brain and the spinal cord | Central Nervous System |
| A nerve cell that is specialized to receive and conduct electrical impulses | neuron |
| A collection of nerve fibers (axons) through which impulses travel between the central nervous system and other parts of the body | nerve |
| The mass of nerve tissue that is the main control center of the nervous system | brain |
| Part of the PNS responsible for activities NOT under your conscious control like digestion & heart beating | autonomic |
| Part of the PNS responsible for activities that ARE under your control like talking and moving | somatic |
| The electrical signals that neurons carry | impulses |
| Center region of the nerve cell that contains nucleus and cell organelles | cell body |
| The short, branched extensions of a nerve cell that RECEIVE information in the form of electrical impulses | dendrites |
| The tiny space between neurons that the electrical impulse jumps across as it travels from neuron to neuron | synapse |
| The special nerve endings on sensory neurons | receptors |
| The two halves of the brain | hemispheres |
| Somatic controls | voluntary |
| Why do you need so many dendrites? | so you can feel things better |
| When impulses reach the axon terminal, where do they go? | to the dendrites of the next nerve |