Sweating and breathing is an example of differentiation specialization maintaining homeostasis metabolism

What feature of cell theory is best demonstrated in the image

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

Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f