Human Body Quiz MCQ Practice
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1. The largest organ of the human body is the:
- A. Lungs
- B. Heart
- C. Skin
- D. Liver
Answer: Skin
Explanation: Skin — verified fact for Human Body Quiz.
2. The normal number of chromosomes in a human somatic (body) cell is:
- A. 23
- B. 44
- C. 46
- D. 48
Answer: 46
Explanation: 46 — verified fact for Human Body Quiz.
3. The human heart normally has how many chambers?
- A. Three
- B. Four
- C. Six
- D. Two
Answer: Four
Explanation: Four — verified fact for Human Body Quiz.
4. The largest gland in the human body is the:
- A. Pituitary
- B. Thyroid
- C. Liver
- D. Pancreas
Answer: Liver
Explanation: Liver — verified fact for Human Body Quiz.
5. The human body has how many bones in total (in a typical adult)?
- A. 198
- B. 212
- C. 206
- D. 200
Answer: 206
Explanation: 206 — verified fact for Human Body Quiz.
6. Which blood group is considered the universal donor?
- A. AB positive
- B. B negative
- C. O negative
- D. A positive
Answer: O negative
Explanation: O negative — verified fact for Human Body Quiz.
7. The functional unit of the kidney is called the:
- A. Neuron
- B. Alveoli
- C. Villi
- D. Nephron
Answer: Nephron
Explanation: Nephron — verified fact for Human Body Quiz.