sistem excretorOnline version trivia by Jenifer Guailli 1 Question 1: What is the main function of the excretory system in the human body? a Regulating body temperature b Eliminating waste and toxins from metabolism c Transporting nutrients to the cells 2 Question 2: What are the main organs of the excretory system? a Heart, lungs, liver b Kidneys, urinary bladder, urethra c Pancreas, intestines, gall bladder 3 What substances does the excretory system remove? a Oxygen and carbon dioxide b Glucose and amino acids c Urea, uric acid, excess water and salts 4 What is the basic functional unit of the kidney and what function does it perfom ? a White blood cell, fights infection b Nephron, filters blood and produces urine c Epithelial cell, lines internal organs 5 : What is the process by which wastes are filtered out of the blood in the kidneys called? a Digestion b Glomerular filtration c Cellular respiration 6 What organ produces urine before it is stored in the bladder? a Kidneys b Liver c Stomach 7 What is the function of the urinary bladder? a To produce digestive enzymes b To store urine until it is expelled c To filter the blood to remove toxins 8 What is the difference between urine and urea? a They are the same b Urea is a part of urine c Urine is the fluid formed by the kidneys and urea is one of its constituents 9 What role do the circulatory and excretory systems play in the elimination of waste from the body? a None b They carry waste to the lungs for expulsion c The circulatory system carries waste to the kidneys, where it is filtered and eliminated by the excretory system 10 What diseases can affect the excretory system and how are they treated? a Heart disease, treated with heart surgery b Lung cancer, treated with chemotherapy c Kidney failure, urinary tract infections, kidney stones; treated with medications, dietary changes, dialysis or kidney transplantation
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