This muscle raises and wrinkles the skin of the chin and pushes up the lower lip

Which of the following instruments can measure calcium, magnesium, and phosphorus in blood samples?

A. Fluorometer B. Osmometer C. Atomic absorption spectrometer D. Refractometer

The major function of the ____ is to secrete hormones directly into the bloodstream to be carried to the appropriate target organs and tissues.

A. endocrine glands B. duodenum C. gastrointestinal tract D. integumentary system