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The Human Body

Excretory and Nervous System

TermDefinition
Major Function of Excretory System Removes wastes (excess water, salts, ammonia, carbon dioxide and urea) from the body.
Major Organs in the Excretory System Kidneys, Urinary Bladder, Skin, Rectum, Anus, Lungs and Liver.
Kidney, Urinary Bladder, and Skin Clean, stores and removes liquid wastes
Rectum/Anus stores/removes waste
Lungs Removes carbon dioxide
Liver filters toxins from blood, produces bile.
Excretion process which removes waste from the body
Perspiration sweat...rids the body of salts/water; helps to regulate body temperature
Excretory system works with other Systems to clean blood of waste products that are produces by other systems.
Major functions of Nervous System Sends and receives information about the body's activities and monitors and responds to changes in the environment.
Major Organs of Nervous System Central and Peripheral Nervous System
Central Nervous System consists of Brain, Spinal Cord, and Nerve cells.
Brain part of central nervous system and controls most functions in the body. It consists of the cerebrum, cerebellum, and Medulla Oblongata.
Cerebrum Interprets input from the senses, controls the movement of skeletal muscles; carries out complex mental processes.
Cerebellum Coordinates the actions of the muscles; helps maintain balanace.
Medulla Oblongata controls involuntary actions
Spinal Cord links the brain and most of the nerves.
Nerve Cells allow for feeling
Peripheral Nervous System made of sensory organs. Sensory receptors detect changes in our environment.
Neurons nerve cell that is specialized to receive and conduct electrical impulses.
Dendrite short branched extensions of the cell that receive information
Axon elongated extensions of a neuron that carry impulses away from the cell body.
Synapse information from one neuron flows to another neuron across one of these.
Nervous System and other systems All of your tissues and organs receive instructions from the nervous system.
Nerve impulse nerve to spinal cord to brain
reflexes automatic response to certain stimuli
Created by: 200371966