In what order do these three organ systems of the human body operate during a reflex arc in response to a stimulus of sharp pain to the hand?

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above

Why do oceanic plates tend to subduction when colliding with a continental plate

Which of the following best describes the purpose of the parathyroid hormone? a. it decreases the blood calcium level and decreases blood phosphorus level. b. it decreases the blood calcium level and increases the blood phosphorus level. c. it increases the blood calcium level and increases blood phosphorus level. d. it increases the blood calcium level and decreases blood phosphorus level.