Term | Definition |
Filtration | removal of foreign materials from the blood stream |
Absorption | the diffusion of materials into the blood stream |
Secretion | separating or releasing a substance |
Metabolic wastes | wastes produced by the metabolic processes of the body (respiration, digestion, old cell parts) |
Urinary system | system of the body that excretes metabolic wastes in the form of urine; composed of kidneys, ureters, bladder & urethra |
Kidney | filtering organ of the body; produces urine from metabolic wastes |
Bladder | structure that holds urine |
Ureter | transports urine from kidneys to bladder |
Urethra | transports urine from bladder out of body |
Urinary tract infection | an infection of one or more parts of the urinary system (kidney, ureter, bladder, urethra) usually caused by a bacteria |
Epidermis | outermost layer of the skin |
Dermis | layer of the skin under the epidermis; contains hair follicles, sweat glands, sebaceous glands, cappilaries, & nerves |
Urea | metabolic waste formed by liver from toxins; sent to kidneys for removal; basis of urine |
Nephrons | functional unit of the kidney |
Diuretic | substances that causes the body to lose water and excrete it as excess urine |