Ch 20 Science Vocab

Front 1

pharynx

Back 1

tube like passage for food, liquid, and air

Front 2

larynx

Back 2

airway to which the vocal cords are attached

Front 3

trachea

Back 3

air-conducting tube that connects the layrnx with the bronchi; is lined with mucous membranes and cilia, and contains string cartilage rings

Front 4

bronchi

Back 4

two short tubes that branch off the lower end of the trachea and carry air into the lungs

Front 5

alveoli

Back 5

tiny, thin-walled, grapelike clusters at the end of each bronchiole that are surrounded by capillaries; carbon dioxide and oxygen exchange takes place

Front 6

diaphram

Back 6

muscle beneath the lungs that contracts and relaxes to move gases in and out of the body

Front 7

emphysema

Back 7

lung disease in which the aveoli enlarge

Front 8

asthma

Back 8

lung disorder in which the bronchial tubes contract quickly and cause shortness of breath, wheezing, or coughing may occur as an allergic reaction

Front 9

urinary system

Back 9

system of excretory organs that rids the blood of wastes, controls blood volume by removing excess water, and balances concentrations of salt and water

Front 10

urine

Back 10

wastewater that contains excess water, salts and other wastes that are not reabsorbed by the body

Front 11

kidney

Back 11

bean-shaped urinary system organ that is made up of about 1 million nephrons and filters blood, producing urine

Front 12

nephron

Back 12

tiny filtering unit of the kidney

Front 13

ureter

Back 13

tube that carries urine from each kidney to the bladder

Front 14

bladder

Back 14

elastic, muscular organ that holds urine until it leaves the body through the urethra

Front 15

urethra

Back 15

tube that carries urine from the bladder to the outside of the body