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pharynx throat; connects to both nose and mouth
trachea windpipe; covered by epiglottis when you swallow
cilia tiny hair-like extensions that can move together in a sweeping motion
bronchi moves air from trachea to lungs; splits into two tubes
lungs main organ of the respiratory system
alveoli tiny, thin-walled sacs of lung tissue where gases can move between air and blood; gas exchange
diaphragm large, dome-shaped muscle that helps you breathe; relaxes= exhale, contracts= inhale
larynx voice box, located at the top of your trachea
vocal cords two folds of connective tissue, stretch across the larynx
excretion process of removing the waste that cells produce
urea chemical that comes from the breakdown of proteins; toxin
urine fluid eliminated from the body made up of excess water, urea, and other wastes
kidneys two of the major organs of the excretory system, act like filters, remove urea and other wastes from the blood
ureters two narrow tubes that connect the kidneys to the urinary bladder
urinary bladder muscular sac that stores urine
urethra small tube through which urine leaves the body
nephron tiny filtering factory that removes wastes from blood and produces urine
Created by: muellershauna
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