Body systems
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Brain | The organ that is the main control system of the nervous system
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| Spinal Cord | Column of nerve tissue running from the base of the brain through the vertebral column
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| Nerves | Send messages from the brain to the body and from the body back to the brain.
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| Neurons | A nerve cell that is specialized to receive and conduct electrical impulses
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| Electrical Messages | Is the nerve impulse that is given off by the Neurons
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| Cerebrum | The largest part of the brain - controls voluntary movements and thinking processes
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| Cerebellum | Located at the base of the brain - is responsible for body coordination and balance
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| Brain Stem | Connects the Brain to the spinal cord - controls involuntary activities such as breathing and digestion
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| Skull | Group of bones that surround and protect the brain and brain stem
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| Voluntary | An impulse that a person controls. Example: Kicking, throwing, walking
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| Involuntary | An impulse that a person does not control. Example: Heartbeat, Breathing, Digestion
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| Pancreas | Produces Insulin which regulates the amount of sugar in the blood
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| Pituitary Gland | LOCATED INSIDE THE BRAIN, releases different hormones that regulate body functions
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| Adrenal Glands | LOCATED AT THE TOP OF EACH KIDNEY, releases different hormones that regulate body functions
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| Thyroid Gland | LOCATED IN THE NECK, releases hormones that regulate body functions
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| Right Atrium | receives oxygen-poor blood from the body after it has delivered food and oxygen and picked up waste products
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| Right Ventricle | receives the oxygen poor blood from the right atrium and sends the blood to the lungs to pick up oxygen and release CO2
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| Left Atrium | receives oxygen-rich blood from the lungs and sends it to the left ventricle
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| Left Ventricle | contracts and sends oxygen-rich blood to the body
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| Vena Cava | returns blood to the right atrium
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| Esophagus | food moves down this long tube from the mouth to the stomach using contractions called peristalsis
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| stomach | where food is broken down into a paste by gastric juices and churning
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| small intestine | allows the absorption of the digested food into the blood
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| liver | delivers digestive juices to the small intestine
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| large intestine | where useable water and materials are absorbed
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| Skeletal Muscles | voluntary, striped or striated, move bones
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| Cardiac Muscles | involuntary, found only in the heart
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| Smooth Muscles | involuntary, found in digestive organs and blood vessel walls
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| Trachea | transports air from the throat to the lungs, also called the windpipe
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| Epiglottis | small flap that closes when a person swallows, prevents food from entering trachea
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| Alveoli | tiny air sacs in the lungs that are used for exchange of carbon dioxide and oxygen
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| Diaphragm | muscle located beneath the lungs, which expands and contracts that allows to air to be carried in and out of lungs
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| Kidneys | primary organs of the excretory system, bean shaped organs that are the main blood filters of the body and remove liquid wastes, excess water and bile from the blood
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| Bladder | stores urine until it is released from the body
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| Ureters | long tubes from kidneys to bladder through which urine flows
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