All living things in the Hond Weil onu categorized al wither plant or animo
Today, there are many categories for
Classiłying organisms. nnat does
this change illustrate?

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.