the excretory system Flashcards
the key organs in waste removal
kidneys
the two tubes that carry urine from the kidneys to the bladder
ureter
stores urine before it is removed from the body
bladder
allows the passing of urine from the bladder and out of the body
urethra
why is the kidney important
it regulates the body’s salt, potassium and acid content; removes waste; produces hormones and controls blood pressure
why is the ureter important
if it doesn’t work urine can back up into the kidney and cause damage
why is the bladder important
temporarily sores urine and assists in the expulsion of it
why is the urethra important
transports urine to the bladder to an opening in the perineum
what type of muscle makes up the walls of the bladder
detrusor muscle
birds have ___ ureters that carry urine from the kidneys to the cloaca
2
birds do not have a _______
bladder
where is urea formed
liver
what substances are filtered out of the blood at the glomerulus
water and small solutes
what substances stay on the blood vessel and why
collagen to protect the blood vessel from overstretching
