Unit 1: Vocabulary

Please study the 20 vocabulary terms below. Then press the Mark Complete button to continue.
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artery
a blood vessel that carries blood away from the heart
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The passenger bled to death as the windshield had cut an artery and paramedics couldn't stop the bleeding.
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bile
a bitter fluid that helps with digestion
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The patients liver isn't producing enough bile to digest these foods properly.
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blood
the fluid that carries oxygen and other elements to the tissues, and carbon dioxide away from the tissues through the heart and vascular system
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People are encouraged to donate blood once a year so that the health service always has a stock.
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brain
the mass of nerve tissue located in the head of animals with spinal cords; it is the center of thought and controls movement
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You have to be very careful if you hit your head in case of brain damage.
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cardiovascular system
the system of organs and tissues involved in circulating blood and lymph through the body
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Research has shown that a glass of red wine a day can help your cardiovascular system.
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CNS (central nervous system)
the part of the nervous system comprising of the brain and the spinal cord
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Epilepsy is a potentially fatal disorder of the central nervous system.
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digestive system
the part of the body that stores and processes food
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The baby's entire digestive system was damaged from drinking liquid floor cleaner.
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gland
an organ or group of cells that releases substances or waste from the body
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The thyroid gland is situated at the base of the throat.
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heart
the organ that controls the flow of blood in the body
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The government is running a series of public information films on the dangers of heart disease.
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intestine
the portion of the alimentary canal extending from the stomach to the anus
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As soon as food enters your small intestine, your brain receives a message saying 'stop eating'.
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joint
a movable or fixed place or part where two bones or elements of a skeleton join
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Elderly people tend to suffer from joint pain as a result of arthritis.
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liver
an organ in the body that secretes bile to help digest carbohydrates, fats and proteins.
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Three weeks after a transplant operation, the man was in the hospital again with liver failure.
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lungs
a pair of organs in which oxygen from the air that is inhaled is transferred into the blood
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Lung cancer is particularly common among smokers.
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nerve
fiber forming part of a system that conveys impulses of sensation, motion, between the brain or spinal cord and other parts of the body
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The main aim of this surgery is to relieve the pressure on the trapped nerve.
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pancreas
this organ both regulates insulin and secretes enzymes to break down carbohydrates, proteins, and lipids
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Pancreatic cancer is any cancer where malignant cells originated in tissues forming the pancreas.
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respiratory system
the set of organs that allows a person to breathe and exchange oxygen and carbon dioxide throughout the body
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The program is designed for people with respiratory system troubles, such as asthma.
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spinal cord
the thick column of nerve tissue that extends from the base of the brain about two thirds of the way down the backbone
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The spine supports the skeleton and protects the fragile spinal cord.
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spleen
an organ near the stomach that has various roles in purifying and storing the blood
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John's spleen was removed after the accident as it had ruptured.
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tonsil
either of a pair of oval masses of lymphoid tissue, one on each side of the throat at the back of the mouth
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When Timmy was 6 he was diagnosed with tonsillitis and had his tonsils removed.
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vein
a blood vessel that carries depleted blood back to the heart
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After the nurse had found the vein, she gave the injection.
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