Question

Which one of the following human organs is often called the graveyard of RBCs?

• A. Kidney
• B. Liver
• C. Spleen
• D. Gallbladder

Answer 1

The correct option is C

Spleen

The correct option is C.

The explanation for the correct option:

1. Red blood cells are referred to as RBCs.
2. RBCs have a lifetime of 110 to 120 days.
3. After that, the spleen removes and destroys the worn-out and damaged RBCs.
4. The spleen is a tiny organ in the abdomen.
5. It aids in the production of WBCs as well as the filtration of RBCs.
6. The spleen is known as the "Graveyard of RBCs" because it kills RBCs once they have outlived their useful lives.

The explanation for the incorrect options:

Option A:

1. One of the body's excretory organs is the kidney.
2. The kidney assists in the reabsorption of water and nutrients as well as the production of urine.
3. Its major objective is to flush the body of metabolic waste.

Option B:

1. The liver is referred to as the largest excretory organ of the body.
2. It helps in the production of bile juice, excretion, protein metabolism, etc.

Option D:

1. The gallbladder is a small organ situated near the digestive tract.
2. It helps in storing and releasing bile juice.

Final answer: Spleen is often called the graveyard of RBCs.