Liver is an organ that maintains constant levels of different substances in the blood. Levels of one such substance entering the liver during three types of body activities (I – III) are shown.
The substance and three activities I – III respectively must be:
|
Substance |
Activity |
| I |
II |
III |
| (A) |
Glucose |
Exercise |
Resting |
Sleep |
| (B) |
CO2 |
Exercise |
Sleep |
After meals |
| (C) |
Glucose |
After meals |
Resting |
Exercise |
| (D) |
O2 |
Exercise |
Sleep |
Resting |
