Correct Answer: C. 6 litres
The average total lung capacity is about 6 liters (or 6000 mL) for a healthy adult, although it can vary depending on factors like sex, size, and physical fitness. The average for men is higher than for women.
c. 6 liters: This is the correct average total lung capacity, the maximum volume of air the lungs can hold.
a. 4 mL: This is too low; normal lung capacity is in the liters, not milliliters.
b. 1 liter: This is also much lower than the average total lung capacity.
d. 10 liters: This is a possible capacity for some very tall and athletic individuals, but is not the average.
e. 12 liters: This is a very high capacity and is not the average for a healthy adult.
c. 6 liters: This is the correct average total lung capacity, the maximum volume of air the lungs can hold.
a. 4 mL: This is too low; normal lung capacity is in the liters, not milliliters.
b. 1 liter: This is also much lower than the average total lung capacity.
d. 10 liters: This is a possible capacity for some very tall and athletic individuals, but is not the average.
e. 12 liters: This is a very high capacity and is not the average for a healthy adult.
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