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Homeostasis Test WHS
homeostasis, nervous system, endocrine system
| Question | Answer |
|---|---|
| axon | long fiber that carries electrical impulses away from the nerve cell body |
| glucose | simple sugar that is used to make ATP through cellular respiration |
| insulin | hormone from the pancreas that decreases blood sugar by signaling the liver to store glucose |
| circulatory system | body system consisting of the heart and blood vessels that circulate blood through the body |
| kidneys | organs that filter nitrogen wastes from blood to make urine |
| liver | organ that regulates blood sugar by storing or releasing glucose; makes bile to break down fats; filters poisons out of the blood |
| excretion | elimination of wastes from the body (urine, carbon dioxide, sweat) |
| spinal cord | cord of nerve tissue that conducts messages between the brain and the peripheral nerves |
| sensory neurons | neurons that carry sensory information from receptors to the central nervous system |
| motor neurons | neurons that carry outgoing information from the central nervous system to the muscles and glands |
| neuron | nerve cell; conducts electrical signals |
| endocrine system | collection of glands that secrete hormones into the blood which regulate growth, development, and homeostasis |
| hormone | chemical messenger secreted by glands into the blood |
| gland | an organ that secretes hormones into the bloodstream |
| nervous system | consists of brain, spinal cord, and nerves and regulates the body's responses to internal and external stimuli |
| homeostasis | process by which organisms keep their internal environment relatively stable |
| negative feedback loop | an opposite action to what is occurring in the body to regain homeostasis, ex. if body temperature rises too high, body tries to lower it |
| dendrites | part of a neuron that carries the electrical impulse to the cell body |
| nerve | bundle of neurons surrounded by connective tissue |
| synapse | where two adjacent neurons meet |
| neurotransmitter | chemical messenger sent across a synapse which allows two neurons to communicate |
| glucagon | hormone from the pancreas that raises blood sugar by signaling the liver to release glucose |
| glycogen | long chain of glucose molecules; how glucose is stored in the liver and muscles |
| pancreas | endocrine gland behind the stomach the regulates blood sugar with two hormones |
| central nervous system | processes and analyzes information from the peripheral nervous system; brain and spinal cord |
| peripheral nervous system | consists of nerves that conduct signals to and from the central nervous system |
Created by:
mshunt
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