Which mineral is responsible for making muscles contract or relax? a. boron b. magnesium c. sodium d. calcium
it's not magnesium.

Which many - celled organisms are capable of causing diseases in humans

The nurse is documenting with a black pen on the hardcopy nurses' notes about a patient's response to pain medication. the nurse sud- denly realizes that she is writing the note in the wrong chart. what is the best action to take? (43)

When comparing the digestive and urinary system, we can conclude that they both