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Unit 5
science flashcard terms
| Term | Definition |
|---|---|
| the deeper, thicker inner layer of the skin | dermis |
| the thin outer layer of the skin | epidermis |
| the pigment that determines skin and hair color | melanin |
| glands in the dermis that produce sebum and open into a hair follicle | sebaceous glands |
| glands in the dermis that produce sweat | sweat glands |
| a sac in which urine is stored | bladder |
| a toxic chemical produced in all cells as a product of protein metabolism | urea |
| tiny filtering devices in the kidney that remove harmful substances from the blood | nephrons |
| the liquid produced by the kidneys that contains dissolved waste materials | urine |
| the tube that carries urine from the bladder to the outside of the body | urethra |
| the tube through which the urine flows from the kidney to the bladder | ureter |
| a short tube that connects the mouth and nasal cavities to the esophagus and larynx | pharynx |
| the blood vessel in which blood flows directly from the heart | aorta |
| clusters of air sacs deep in the lungs | alveoli |
| a respiratory disorder, often caused by allergies: attacks of labored breathing | asthma |
| the branches of the trachea that extend into the lungs | bronchi |
| inflammation (swelling) of the bronchi | bronchitis |
| a large, flat muscle that lies underneath the lungs and helps move air into them | diaphragm |
| lung disease in which the walls of the alveoli are destroyed and less lung tissue can exchange oxygen and carbon dioxide | emphysema |
| the exchange of gasses between living things and their environment | respiration |
| the tube that carries air to and from the lungs | trachea |
| a tube that contains the vocal chords | larynx |
| a medical condition that results from not enough hemoglobin in the blood | anemia |
| large blood vessels that carry blood away from the heart | arteries |
| condition that occurs when fatty material builds up on the inside walls of arteries | atherosclerosis |
| an upper chamber of the heart | atrium |
| tiny blood vessels that carry blood to certain body cells | capillaries |
| a system of vessels and organs that transports materials to and from body cells | cardiovascular system |
| the protein in red blood cells that attaches to oxygen | hemoglobin |
| a hereditary disease in which the blood clots abnormally or not at all | hemophilia |
| a cancer in which white blood cell production is abnormal | leukemia |
| the thin, yellow fluid part of the blood | plasma |
| tiny cell fragments that clump together at the site of a wound to form a blood clot | platelets |
| the circulation of blood between the heart and the lungs | pulmonary circulation |
| the circulation of blood between the heart and the rest of the body (not the lungs) | systemic circulation |
| large blood vessels that take blood to the heart | veins |
| a disease of the lungs that results in fluid buildup in the alveoli | pneumonia |
| the lower chamber of he heart | ventricle |
Created by:
1becky1
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