Describe the location of the kidneys
Retroperitoneal
What is the Bowman’s capsule?
The enlarged, cup-shaped closed end of the renal tubule that completely surrounds the glomerulus
What is the glomerulus?
A capillary bed in the nephron that is both fed and drained by arterioles
What is the function of the urethra?
Transports urine from the bladder to the outside of the body
What are the renal pyramids?
Triangular regions of the kidneys that are striped in appearance and separated by the renal columns
Do the kidneys convert ammonia to bicarbonate ions?
-No
*This is done by the liver
-Kidneys
*Excrete nitrogenous wastes
*Ensure proper blood pH
*Maintains water and electrolyte balance
What tissue allows the bladder to expand as urine accumulates within it?
Transitional epithelium
The peritubular capillaries arise from the ___, which drains the glomerulus
Efferent arteriole
The average adult bladder is moderately full with ___ of urine within it
500 mL
What is aldosterone’s effect on the kidneys?
It acts on the kidneys to regulate sodium ion concentration of the extracellular fluid (ECF)
What is micturition?
The process of emptying the bladder
What are the organs of the urinary system?
-Kidneys
-Ureters
-Urinary bladder
-Urethra