1) Which of the following organs is responsible for filtering waste products from the blood? a) Liver b) Lungs c) Kidneys 2) What is the process by which the excretory system removes liquid waste products from the body? a) Urination b) Respiration c) Digestion 3) Which of the following is NOT a waste product excreted by the excretory system? a) Carbon dioxide b) Glucose c) Urea 4) What is the functional unit of the kidney responsible for filtering blood? a) Nephron b) Alveoli c) Bronchus 5) Which of the following is a function of the excretory system? a) Regulating body temperature b) Producing hormones c) Breaking down food 6) What is the tube that carries urine from the bladder out of the body called? a) Urethra b) Ureter c) Esophagus 7) How does the excretory system help maintain pH balance in the body? a) By producing sweat b) By excreting excess acids or bases c) By filtering blood 8) Which of the following is a function of the skin in the excretory system? a) Filtering blood b) Producing urine c) Excreting sweat 9) What is the name of the process by which the excretory system removes solid waste products from the body? a) Respiration b) Defecation c) Digestion 10) What can happen if the excretory system is not functioning properly? a) Kidney failure b) Respiratory problems c) clean blood 

The Excretory System and it's Importance

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