Use the drop-down menus to complete the sentences.

Embryonic
stem cells are capable of
limited self-renewal
, not differentiation.

stem cells are capable of self-renewal and
.

stem cells are capable of
and limited differentiation.

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.