Question

Q .What is the life span of WBC?
 (A) 2-15 days
 (B) 3-15 days
 (C) 4-15 days
 (D) 5-20 days
 ​

Answer 1

Answer:

1 to 3 days

White blood cells are made in the bone marrow. They are stored in your blood and lymph tissues. Because some white blood cells have a short life of 1 to 3 days, your bone marrow is always making them.

Answer 2

Answer:

Actually 3-12 days ...

but in option 3-15 days

so,that tge option is B..

Explanation:

WBC(WHITE BLOOD CELLS)..

**WBC are made up of the bone narrow...

**They are stored in your blood and lymph tissues.

**Because some short life span of WBC.

**1 to 3 days