Organs
What are the two-bean shaped organs that filter waste from the blood?
Kidneys
What is the main job of the excretory system?
To remove waste from the body
True or False. A person can live with only one kidney.
True
What organ in the excretory system temporarily holds liquid waste before it leaves the body?
Bladder
What waste product do the kidneys remove from the blood to make urine?
Urea
About how many kidneys does a healthy human body usually have?
Two
What tiny filtering units inside the kidneys clean the blood?
Nephrons
The kidneys help control the balance of what importance substance in the body?
Water
Besides urine, what is another way the body removes waste?
Sweat