Term
| Name the two components of the central nervous system (CNS) |
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Definition
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Term
| Name the three parts of the brain. |
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Definition
| Cerebrum, cerebellum, medulla |
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Term
| State the function of the cerebrum. |
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Definition
| sensory input/ conscious motor control/ thought/ memory, etc. |
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Term
| State the function of the cerebellum. |
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Definition
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Term
| State the function of the medulla. |
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Definition
| Controls heart rate and breathing rate |
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Term
| Name the 3 types of neuron. |
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Definition
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Term
| Where are inter neurons found? |
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Definition
| CNS (brain and spinal cord) |
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Term
| State the function of sensory neurons. |
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Definition
| To send electrical impulses from sense organs to the CNS |
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Term
| State the function of inter neurons. |
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Definition
| receive impulses from the sensory neurons and send impulses to motor neurons |
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Term
| State the function of motor neurons. |
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Definition
| send impulses from CNS to effectors (muscles or glands) |
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Term
| State the two types of effector in the body. |
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Definition
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Term
| What type of message travels along neurons? |
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Definition
| electrical / electrical impulses |
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Term
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Definition
| junction between two neurons |
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Term
| How are signals sent across synapses? |
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Definition
| Chemicals diffuse across the gap. |
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Term
| What is the definition of diffusion? |
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Definition
| the movement of a substance from an area where it is high in concentration to an area where it is low in concentration. |
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Term
| Describe the structure of a reflex arc. |
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Definition
| sensory neuron > inter neuron - in spinal cord) > motor neuron NB does not go to brain |
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Term
| What is the function of the reflexes? |
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Definition
| To protect the body from harm |
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Term
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Definition
| sneezing / pupil size changing/ blinking, etc. |
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Term
| Name the type of glands which release hormones. |
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Definition
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Term
| What is the purpose of hormones? |
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Definition
| they are chemical messengers which travel in the blood |
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Term
| Explain how hormones are able to target specific tissues? |
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Definition
| target tissue cells have complementary receptor proteins for specific hormones |
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Term
| Name the two hormones produced by the pancreas. |
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Definition
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Term
| State the function of insulin. |
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Definition
| causes the liver (and muscles) to convert glucose into glycogen |
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Term
| State the function of glucagon, |
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Definition
| causes the liver (and muscles) to convert glycogen to glucose |
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Term
| Name the organ that detects a change in blood glucose levels. |
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Definition
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Term
| Name the organ that stores glycogen. |
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Definition
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Term
| Name the carbohydrate stored in the liver (and msucles) |
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Definition
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Term
| Name the hormone released when blood glucose levels increase. |
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Definition
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Term
| Name the hormone released when blood glucose levels decrease. |
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Definition
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Term
| Name the hormone that will cause a decrese in blood glucose levels. |
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Definition
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Term
| Name the hormone that will cause an increse in blood glucose levels. |
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Definition
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Term
| How do hormones travel through the body? |
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Definition
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