(A) 2 liters
(B) 4 liters
(C)6 liters
(D) 8 liters
🧠 Explanation:
- The average total lung capacity of a healthy adult human is approximately 6 liters.
- This includes all the air that can be inhaled and exhaled, along with the residual volume that stays in the lungs.
- Lung capacity can vary depending on age, sex, body size, and physical fitness.
- Among the given options, the most accurate average capacity is 6 liters, making option (C) correct.