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important word science

Regulation allow living organisms to adapt to their environment and maintain homeostasis;
Stimulus Sense organs, such as the ear, and sensory receptors,
Neuron Nervous system that transmit signals throughout the body
Impulse sudden strong and reflective urge or desire to act.
Effector an organ or cell that acts in response to a stimulus
Receptors organ or cell able to respond to light, heat, or other external stimulus and transmit a signal to a sensory nerve.
Response by the immune system to a pathogen
Neurotransmitters Neurotransmitters are endogenous chemicals that enable neurotransmission.
Irritability cogitator ability that living organisms have to respond to changes in their environment
Dendrites are the segments of the neuron that receive stimulation in order for the cell
Cyton A virtually extinct term
Axon long threadlike part of a nerve cell along which impulses are conducted from the cell body
hormones chemicals that are produced by endocrine glands.
glands chemicals that are produced by endocrine glands. organ in the human or animal body which secretes particular chemical substances for use in the body or for discharge into the surroundings.
Target cells/ cell which bears receptors for a hormone, drug, or other signaling molecule
Hypothalamus region of the forebrain below the thalamus which coordinates both the autonomic nervous
Hypersecretion excessive production of a bodily secretion (as gastric
Feedback mechanism s a loop in which a product feeds back to control its own production
Cerebrum cortex is the largest part of the human brain
Cerebellum cerebellum coordinates voluntary movements such as posture, balance, coordination, and speech, resulting
Medulla oblongata take care of the involuntary movement
Created by: glendy