| A | B |
|---|
| Urea | Major function of the kidney is to remove this waste product |
| Amino Acids | Simple proteins |
| Kidneys | Organ whose second main function is to maintain the proper balance of water, salts and acids in body fluids |
| Electrolytes | Salts and some aminos which are necessary for the function of nerve and muscle cells |
| Renin | Secreted by the kidneys important substance in the control of blood pressure and erythropoietin |
| Erythropoietin | Produced by the kidney and regulates the production of red blood cells |
| Vitamin D | Secreted by the kidneys necessary for the absorption of calcium from the intestine |
| Kidneys | Two bean-shaped organs situated behind the abdominal cavity on either side of the vertebral column |
| Cortex | Outer region of the kidney |
| Medulla | Middle or inner portion of the kidney |
| Hilum | Depression in the medial border of the kidney through which blood vessels and nerves pass |
| Ureters | Two muscular tubes conveying urine from kidney to bladder |
| Urinary Bladder | Temporary reservoir for urine |
| Trigone | Space at the base of the bladder where the ureters enter and the urethra leads out |
| Urethra | Tube through which urine is discharged from the bladder |
| Urethral Meatus | Located between the clitoris and the opening of the vagina convey urine |
| Urinary Meatus | Conveys both urine and semen from the bladder |
| Micturition | Process of expelling or voiding urine through the urethra |
| Filtration | First step of urination |
| Reabsorption | Second step of urination |
| Secretion | Last step of urination |
| Renal arteries | Blood enters the kidney from the aorta by way of the right & left of these |
| Hilum | Renal arteries enter the kidney here |
| Arterioles | Smaller arteries at the cortex of the kidney |
| Capillaries | Smaller blood vessels |
| Glomerulus | Tiny balls of capillaries in the kidney |
| Bowman's Capsule | A cup-like structure surrounding each glomerulus |
| Renal Tubule | A long twisted tube connected to the Bowman's Capsule |
