# 1选择型What is the primary function of the kidneys?To regulate blood pressureTo filter waste from the bloodTo produce red blood cellsTo digest food
# 3选择型What is the name of the tube that carries urine from the kidney to the bladder?UrethraUreterCollecting ductRenal artery
# 5选择型How does the body regulate the amount of water in the blood?By sweatingBy urinationBy breathingBy sleeping
# 6选择型What happens when the kidneys fail to function properly?Increased heart rateFluid retention and toxin buildupImproved digestionDecreased blood pressure
# 8选择型Which hormone signals the kidneys to conserve water?AdrenalineInsulinAntidiuretic hormone (ADH)Thyroxine
# 9选择型What is the role of the renal artery?To carry urine to the bladderTo supply the kidneys with bloodTo remove toxins from the bodyTo produce urine
# 10选择型Which condition can result from the kidneys' inability to filter waste effectively?DiabetesHypertensionKidney stonesChronic kidney disease