Ihave a few extra points and i think some others need them but i do need this answered select all of the following statements that are true about lymph nodes. they are glands. they are nerves. they hold and distribute lymphocytes. they make lymphocytes. they filter the lymphatic system from harmful bacteria.

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