Where is the heart located in the human body?
a) between the right midclavicular line and the right border of the sternum and below the clavicle to the eighth rib.
b) between the second and the fifth intercostal spaces from the right edge of the sternum to the left midclavicular line.
c) between the third and sixth intercostal spaces from the left midclavicular line to the left midaxillary line.
d) between the first and fourth intercostal spaces from the left midaxillary line to the left posterior axillary line.

As you sit in the library with your friend studying for your weekly quiz on the integumentary system, you come upon an article about the hazards of prolonged exposure to the sun's rays. your curious nature leads you to research the subject further. you're fascinated to learn that minimal exposure to the sun allows you skin to manufacture vitamin d, which is important to maintain homeostasis. you also read that although sunscreen can protect you from the ultraviolet (uv) rays of the sun, some medications can actually increase a person's sensitivity to the sunlight.

The nature–nurture issue refers to the debate over the relative contributions that make to the development of psychological traits. a.introspection and nerve cell activity b.unconscious and conscious motives c.behavior and mental processes d.genes and experience

If your job requires you to use a respirator, your employer is required to do three things. what is missing from the list? have you medically evaluated to determine that it is safe for you to wear a respirator train you on how and when to use a respirator