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MC - Nervous System
Multicellular Organisms - Nervous System
Question | Answer |
---|---|
What is the nervous system composed of? | Brain, Spinal Cord and Nerves |
What is the central nervous system composed of? | Brain and Spinal cord |
Which part of the brain controls thought and personality? | Cerebrum |
Which part of the brain controls balance and coordination? | Cerebellum |
Which part of the brain controls heart rate? | Medulla |
What is the function of the Medulla? | controls breathing and heart rate |
What is the function of the Cerebrum? | Controls thought and personality |
What is the function of the Cerebellum? | Controls balance and coordination |
What are the three neurons present in the reflex arc? | Sensory, inter and motor (SIM) |
What is the function of the receptors in the reflex arc? | detect sensory stimulus (e.g sharp object) |
Which neuron passes information from the inter nerve to the effector? | Motor nerve |
Which neuron is found in the CNS? | Inter |
Give two examples of an effector. | Muscles and Glands |
What is the function of an effector? | To produce a response |
What is the gap between neurons called? | Synapse |
What is the function of the reflex arc? | Protect the body from harm |
What diffuses between the neurons? | chemical messages |
What passes along a neuron? | electrical impulses |
What is the function of the sensory neuron? | Carries information from the receptors in the sense organ to the inter neuron (CNS). |
What is the function of the inter neuron? | Carries information from the sensory neuron to the motor neuron. |
What is the function of the motor neuron? | Carries information from the inter neuron to the effector to produce a response. |
Where are receptors located? | sense organ |
Which part of the brain allows someone to move away from a hot iron? | Cerebellum (controls balance, movement, coordination) |
Which part of the brain allows someone to remember that they have school in the morning? | Cerebrum (memory, personality) |
Which part of the brain allows someone to maintain their breathing rate? | Medulla (involuntary processes) |