Excretory System Flashcards
What do the kidneys do?
Remove waste products from the blood, maintain blood pH, regulate the water content of the blood, and regulate the blood volume
What are the parts of the excretory system?
The kidneys, skin, lungs, liver, and rectum
Where are the kidneys located?
On either side of the spinal column near the lower back
What are the ureters?
A tube that leaves each kidney and ends at the urinary bladder
What is the urinary bladder?
A sac-like organ where urine is stored before being excreted
What is the urethra?
The tube where urine is released by the urinary bladder
What is the renal medulla?
Inner part of the kidney
What is the renal cortex?
The outer part if the kidney
What are the nephrons?
The functional units of the kidneys
What is filtration?
Passing a liquid or gas through a filter to remove wastes
What happens during filtration?
Blood enters a nephron through the arteriole, impurities are filtered out and emptied into the collecting duct. The purified blood exits the nephron through the venue
What is reabsorption?
The process in which liquid is taken back into a vessel
What is the glomerulus?
A small network of capillaries encased in the Bowman’s Capsule
