Excertory systems
By: Sa'Tyna Jamison
What to know
The scientists that study excertory systems are doctors. If you didn't know but the physical stucture of the excretory system is poop because that is what it is. The excertory systems helps get rid of the waste in your tummy. For animals sometimes with poop it can tell if there is anything wrong with your animals.
The important stuff
1. Kidneys- are like trash collectors that you need.
2.Ureters-Ureters are muscular ducts that propel urine from the kidneys to the urinary bladder
3.Urethra-A tube that carries urine from the bladder to the outside of the body.
4.Skin-Gives off bodily sweat or perspiration
5.Lungs-Lungs give off carbon dioxide, a bodily waste, during respiration