Excretory SystemOnline version 10 questions about the Excretory System by patricio nomeacuerdo 1 What is the main function of the excretory system? a To regulate body temperature b Eliminate wastes and toxins from metabolism c Transport nutrients to the cells d 2 What are the main organs of the excretory system? a Heart, lungs, liver b Kidneys, urinary bladder, urethra c Pancreas, intestines, gall bladder d 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. d 4 What is the basic functional unit of the kidney and what function does it perform? a White blood cell, fights infection b Nephron, filters blood and produces urine c Epithelial cell, lines internal organs d 5 What is the process by which wastes are filtered from the blood in the kidneys called? a Digestion b Glomerular filtration c Cellular respiration d 6 What organ produces urine before it is stored in the bladder? a Kidneys b Liver c Stomach d 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 eliminate toxins. d 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 components. d 9 What role do the circulatory and excretory systems play in the elimination of wastes from the body? a None b They transport wastes to the lungs for expulsion. c The circulatory system carries waste to the kidneys, where it is filtered and eliminated by the excretory system. d 10 What diseases can affect the excretory system and how are they treated? a Heart disease, treated with cardiac surgery b Lung cancer, treated with chemotherapy c Kidney failure, urinary tract infections, kidney stones; treated with medications, dietary changes, dialysis or kidney transplantation. d
New game