The ___________ is not an organ of the urinary system.
urethra
ureter
kidney
urinary bladder
Liver
The Correct Answer is E
A. Urethra: The urethra is a part of the urinary system that carries urine from the urinary bladder to the outside of the body.
B. Ureter: The ureters are tubes that carry urine from the kidneys to the urinary bladder. They are part of the urinary system.
C. Kidney: The kidneys are the primary organs of the urinary system responsible for filtering blood and producing urine.
D. Urinary bladder: The urinary bladder is an organ in the urinary system that stores urine before it is excreted.
E. Liver: The liver is not an organ of the urinary system. It plays a crucial role in metabolism, detoxification, and bile production, but it is part of the digestive system.
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Correct Answer is A
Explanation
A. Uterine tube: Fertilization typically occurs in the uterine tube (also known as the fallopian tube). The sperm travels from the cervix through the uterus and into the uterine tube, where it meets and fertilizes the egg.
B. Uterus: The uterus is where the fertilized egg implants and develops into a fetus, but it is not where fertilization occurs.
C. Ovary: The ovary is where eggs are produced and released during ovulation, but fertilization does not occur here.
D. Urinary bladder: The urinary bladder is part of the urinary system, not the reproductive system, and has no role in fertilization.
Correct Answer is A
Explanation
A. Diuretics increase urine output by inhibiting the reabsorption of water and sodium in the kidneys, which leads to increased water loss. This action is opposite to water conservation, making this the correct answer.
B. The counter current exchange system in the kidneys helps conserve water by maintaining a high osmolarity in the medulla, which facilitates the reabsorption of water in the collecting ducts. This system contributes to water conservation.
C. The collecting duct plays a crucial role in water reabsorption. Antidiuretic hormone (ADH) increases the permeability of the collecting duct to water, allowing more water to be reabsorbed back into the bloodstream, contributing to water conservation.
D. The counter current multiplier is a mechanism in the loop of Henle that creates a concentration gradient in the kidney medulla, which is essential for water reabsorption in the collecting ducts. It contributes to water conservation