subject

Excretory System

Biology ⇒ Human Biology

Excretory System starts at 7 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Excretory System. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 8
A patient is unable to urinate due to a blockage in the urethra. Which part of the excretory system is directly affected?
Describe one way the excretory system helps maintain the balance of salts in the body.
Describe the path urine takes from its formation to its exit from the body.
Explain how the excretory system works with the circulatory system.
Explain the role of nephrons in the excretory system.
Explain why drinking plenty of water is important for the excretory system.
Explain why the excretory system is important for maintaining homeostasis in the body.
Name two organs, other than the kidneys, that are involved in excretion.
What is the main function of the excretory system in animals?
What is the main function of the ureters?
What is the main nitrogenous waste excreted in human urine?
What is the name of the process by which water and useful substances are reabsorbed back into the blood from the kidney tubules?
What would happen if the kidneys stopped working properly?
Which organ converts ammonia into urea in the human body?
Which organ excretes sweat to help regulate body temperature?
Which organ is primarily responsible for filtering blood and forming urine in the human body?
A patient has a blockage in one ureter. Predict and explain the possible effects on the excretory system.
A person is sweating heavily during exercise. Explain how this affects the composition of their urine and why.
Describe the consequences of dehydration on the excretory system and the body as a whole.
Explain how the process of osmoregulation is related to the excretory system and why it is important for human survival.