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regulation
words
Term | Definition |
---|---|
Regulation | allow living organisms to adapt to their environment |
Stimulus | a change in the internal or external environment |
Neuron | chemical messenger |
Impulse | the signal that travels through the body |
Effector- | small molecule that binds to protein |
Receptors | a protein that receives chemical messages from outside the cell |
Response | any behavior of a living organism that results from an external or internal stimulus. |
Neurotransmitters | a chemical release from the nerve cell |
Irritability | the ability to respond to the environment |
Dendrites | tiny transmitters and receivers for chemical messages |
Cyton | center part of a neuron |
Axon | a long nerve fiber |
Hormones | a chemical made in the body that controls and the regulation of the body |
Glands | -an organ that removes substance in the body and secrets them |
Target cells | a specific place in the body |
Hypothalamus | -the master gland |
Hyposecretion | secret substances slowly |
Hypersecretion | secret substances fastly |
Feedback mechanism | a loop system that the body respond to a perturbation |
Reflex | an action in the body without prior conclusion |
Cerebrum | largest part of the brain |
Cerebellum | back of the brain/small brain |
Medulla oblongata | most part of the brain stem controls breathing and heart rate |