Answer:
The answer would be 4. just yourself
Explanation:
If you only have yourself for support then theres no system in place
Answer:
IT HAS 4 CHAMBERS THAT PUMP BLOOD, 2 ONE THE RIGHT AND 2 ON THE LEFT
Explanation:
If your body is lacking a substance like water or salt it will reabsorb some of it,
Answer: Because BMI does not measure body fat directly
