Words from This Lesson
- urinary system: the system that removes waste from the body as urine
- kidney: the bean-shaped organ that filters blood and makes urine
- hilum: the dip in the kidney where blood vessels and the ureter enter and leave
- cortex: the outer, reddish brown region of the kidney
- medulla: the inner, paler region of the kidney
- renal pyramid: a triangle-shaped bundle of fibres in the medulla
- renal pelvis: the hollow space in the kidney where urine gathers before entering the ureter
- nephron: the functional unit of the kidney
- glomerulus: the tangled ball of tiny blood vessels where blood is filtered
- reabsorption: the useful part of the filtered liquid returning to the blood
- ureter: the tube from a kidney to the bladder
- urinary bladder: the muscular sac that stores urine
- urethra: the tube that takes urine from the bladder out of the body
- sensory nerves: nerves that carry messages to the brain
- micturition: the process of passing urine out of the body