How long does the repair stage last in bone healing? How does it last like some years what time

Which of the following occurs after a natural or unnatural disturbance in an ecosystem

Ineed some everybody. the production of cells during mitosis into specialized function is called: recombination or differentiation

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