All of the following protect the body against the entrance of germs except:
Correct answer: E. Red blood cells,
- A. Tears
- B. Mucous membranes
- C. Ciliated cells
- D. White blood cells
- E. Red blood cells,
Explanation
Red blood cells are involved in the transport of O2 via haemoglobin stored in them from the lungs to the cells and tissues of the body. Option A, B and C are wrong as they are the physical barriers (part of 1st line of defense) that protect our body from germs. Option D is wrong as white blood cells are the main cells that fight with the pathogens entering our body.
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