Melanocytes produce melanin, the polymer responsible for protecting the skin from damage from UV light.

All of the following facial bones are paired except one. Which of the following is the unpaired facial bone?

Which of the following is the pacemaker of the heart?   

_____ largely consist of slow-twitch fibers.

The heart is surrounded by a double-layered connective tissue sac called the ______.

Neurons share all those characteristics except

        The vital sign assessment of a person with a head injury at 0800 am were as follow: temperature (T), 97° F; pulse (P), 86; respiration (R), 18; and blood pressure (BP), 140/86.           The assessment made 30 minutes later that is indicative of increasing intracranial pressure (ICP)   is:

Please identify which part of a bone is # 5

Select the correct definition for each bone structure

Which of the following have openings in the Right Atrium?