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Q. |
What is the main purpose of white blood corpuscles? |
A. | to carry nutrients |
B. | to combat infections |
C. | to carry oxygen |
D. | to give strength |
Answer» B. to combat infections | |
Explanation: White blood cells (WBCs), also called leukocytes, are an important part of the immune system. These cells help fight infectionsby attacking bacteria, viruses, and germs that invade the body. White blood cells originate in the bone marrow, but circulate throughout the bloodstream. |
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