Excretory system

Which organ is responsible for formation of urea?

• Kidneys

• Liver

• Gall Bladder

• Stomach

Which tube in the urinary system goes from the kidney to the bladder?

• Collecting duct

• Ureter

• Urethra

Which of the following statements is not true?

• Kidney excretes urea.

• A small fraction of CO2 is removed through the skin.

• Small amount of salt is excreted from skin

• Feces is excreted through the anus.

What types of nitrogenous wastes are excreted by living organisms?

• Ammonia

• Uric acid

• Urea

• All of the above

Excretion is a continous process but urine is not passed out continously. Identify the structure responsible for the same.

• Ureter

• Urethra

• Kidney

• Urinary bladder

Identify the muscles that allow you to voluntarily control urination?

• Skeletal muscle

• Cardiac muscle

• Sphincter muscles

• Cortex

What is the role of the excretory system?

• Maintain blood volume

• Maintain salt levels

• Blood purification

• Maintain glucose levels

• All of the above

You need two kidneys to survive.

• True

• False

Kidney disease is curable.

• True

• False

If I urinate frequently, it is a good sign that my kidneys are healthy.

• True

• False