everyday science MCQ #714

Which of the following protects the body against infectious diseases and foreign invaders?

everyday science MCQ #714

  1. Question 1

    Q1. Which of the following protects the body against infectious diseases and foreign invaders?

    • A) Leukocytes
    • B) Endoplasmic Reticulum (ER)
    • C) Golgi apparatus
    • D) Red blood cells

    Answer: Leukocytes

    Explanation: Leukocytes (white blood cells) are the primary cellular components of the immune system; they identify and destroy pathogens, foreign cells, and abnormal body cells.