Which of the following statement is not true:
| A. |
Every 100 ml of deoxygenated blood delivers approximately 4 ml of `CO_2` to the alveoli |
| B. |
Every 100 ml of oxygenated blood can deliver 20 ml of `O_2` to the tissues |
 |
| C. |
Both (A) & (B) |
| D. |
None of these |