I need help fast thinks

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes

Why is taking care of yourself a time management techique

The direct energy source that drives atp synthesis during respiratory oxidative phosphorylation is