2.1 Producing urine Flashcards
Define excretion
getting rid of wastes that are made inside an organism
Define kidney
an organ that removes waste substances from the blood
Define bladder
organ that stores urine
Define blood vessels
tube-shaped organs that carry blood around the body
Define excretory system
organ system that removes wastes from the blood and produces urine
Define organ system
group of organs working together
What is another name for excretory system?
renal system
Define ureter
tube-shaped organ that carries urine from a kidney to the bladder
Define urea
main waste substance removed from the blood by the kidneys
Define urethra
tube-shaped organ that carries urine from the bladder to the outside of the body
Define urinate
to release urine from the bladder
Define urine
liquid containing urea and other wastes
List the 7 life processes
Movement
Respiration
Sensitivity
Growth
Reproduction
Excretion
Nutrition
What substance is excreted by your lungs?
Carbon dioxide
Undigested food passes out of your digestive system as faeces. Explain why this process is not an example of excretion?
Because undigested food is not a product of metabolism.
