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science flashcard terms

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
the deeper, thicker inner layer of the skin   dermis  
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the thin outer layer of the skin   epidermis  
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the pigment that determines skin and hair color   melanin  
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glands in the dermis that produce sebum and open into a hair follicle   sebaceous glands  
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glands in the dermis that produce sweat   sweat glands  
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a sac in which urine is stored   bladder  
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a toxic chemical produced in all cells as a product of protein metabolism   urea  
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tiny filtering devices in the kidney that remove harmful substances from the blood   nephrons  
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the liquid produced by the kidneys that contains dissolved waste materials   urine  
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the tube that carries urine from the bladder to the outside of the body   urethra  
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the tube through which the urine flows from the kidney to the bladder   ureter  
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a short tube that connects the mouth and nasal cavities to the esophagus and larynx   pharynx  
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the blood vessel in which blood flows directly from the heart   aorta  
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clusters of air sacs deep in the lungs   alveoli  
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a respiratory disorder, often caused by allergies: attacks of labored breathing   asthma  
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the branches of the trachea that extend into the lungs   bronchi  
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inflammation (swelling) of the bronchi   bronchitis  
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a large, flat muscle that lies underneath the lungs and helps move air into them   diaphragm  
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lung disease in which the walls of the alveoli are destroyed and less lung tissue can exchange oxygen and carbon dioxide   emphysema  
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the exchange of gasses between living things and their environment   respiration  
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the tube that carries air to and from the lungs   trachea  
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a tube that contains the vocal chords   larynx  
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a medical condition that results from not enough hemoglobin in the blood   anemia  
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large blood vessels that carry blood away from the heart   arteries  
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condition that occurs when fatty material builds up on the inside walls of arteries   atherosclerosis  
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an upper chamber of the heart   atrium  
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tiny blood vessels that carry blood to certain body cells   capillaries  
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a system of vessels and organs that transports materials to and from body cells   cardiovascular system  
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the protein in red blood cells that attaches to oxygen   hemoglobin  
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a hereditary disease in which the blood clots abnormally or not at all   hemophilia  
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a cancer in which white blood cell production is abnormal   leukemia  
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the thin, yellow fluid part of the blood   plasma  
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tiny cell fragments that clump together at the site of a wound to form a blood clot   platelets  
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the circulation of blood between the heart and the lungs   pulmonary circulation  
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the circulation of blood between the heart and the rest of the body (not the lungs)   systemic circulation  
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large blood vessels that take blood to the heart   veins  
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a disease of the lungs that results in fluid buildup in the alveoli   pneumonia  
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the lower chamber of he heart   ventricle  
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