What type of blood cells help the body fight infections?
A
White blood cells
B
Platelets
C
Plasma cells
D
Red blood cells
Correct Answer: Option A — White blood cells
Explanation:
White blood cells, or leukocytes, are a key part of the immune system, identifying and destroying pathogens like bacteria, viruses, and fungi. They circulate through the bloodstream and lymphatic system to defend the body from disease.