Excretion Flashcards
Metabolic activities generate ___
Nitrogenous materials
Excretion
Biological process of removing harming metabolic wastes from the body
Where are kidneys located
Abdomen, either side of the backbone
What happens after kidneys produce urine
It passes through ureters
it is stored in urinary bladder
released through urethra
Kidney function
It removes nitrogenous waste such as urea or uric acid from blood
Nephron structure
cluster of thin walled capillaries
each cluster has a cup-shaped end of a coiled tube: bowman’s capsule
Nephron function
It removes nitrogenous waste such as urea or uric acid from blood
selectively re-absorbs glucose, amino acids, salts and water from urine
4 ways plants excrete
transpiration: excess water
lose some parts such as leaves
(since they are dead cells)
store waste products in their cellular vacuoles
stored in resin and gums in old xylem
excrete into soil