In step form, explain how Food is processed in the digestive system

Air is processed in the respiratory system

Blood flows through your heart

After that please answer the following questions:

How many bones are in the human body?

In 10 sentences explain what the cerebellum, medulla, cerebrum, hypothalamus. and spinal cord does for our Central Nervous system.

You are assessing an 86-year-old postoperative patient who has an unexpressive, stoic demeanor. when you enter the room, the patient is curled into the fetal position and your assessment reveals that his vital signs are elevated and he is diaphoretic. you ask the patient what his pain level is on a 0-to-10 scale that you explained to the patient prior to surgery. the patient indicates a pain level of “three or so.” you review your pain-management orders and find that all medications are ordered prn. how would you treat this patient's pain?