How is stomach acid neutralized in the small intestine

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

What advantages does a pedigree have over a written passage?

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.