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Bella Nat 5
U2 KA 2a Nervous System
Question | Answer |
---|---|
Name the 3 parts of the brain | Cerebrum, Cerebellum, & Medulla |
What is the function of the Cerebrum | Memory, Personality, Conscious thought, Analysis of sensory information. |
What is the function of the Cerebellum | Balance Coordination |
What is the function of the Medulla | Controls Heart rate & Controls Breathing rate |
What 3 parts make the Nervous System | Brain, Spinal Cord & Peripheral Nerves |
What 2 parts make up the Central Nervous System | Brain & Spinal Cord |
What 2 parts make up the nerves | Sensory Nerves & Motor Nerves |
What 3 words do you associate with reflexes? | Protective, Unconscious (automatic), Quick |
What 3 nerves are involved in a reflex in the correct order | Sensory, Relay & Motor |
What is the function of a sensory neuron | Pass nerve impulse form senses tointer neuron in the CNS |
What is the function of an inter neuron | Pass electical impulse of from sensory nerve to motor neuron |
What is the function of motor neuron | Pass nerve impulse from inter neuton in CNS to effector (muscle or gland) |
What is the name for the gap between nerves | Synapse |
What diffuses across the synapse | A Chemical (Neurotrasmitter). |
How do the chemicals that diffuse across thge synapse trigger a nerve impulse? | Combine with protein receptors |