Bob needs a diet that includes 15 milligrams of iron daily. His intake for breakfast and lunch contained 8.25 milligrams of iron. How many milligrams are still needed for his daily intake?

Which of the following BEST describes an avulsion?

A) Accumulation of blood beneath the skin, resulting in swelling B) Epidermis that is scraped away by a rough surface C) Flap of skin that is partially or completely torn away from the underlying tissue D) An injury caused by a sharp, pointed object

The abnormal awareness of one's heart beating in one's chest is called a(n) ____________________.

Fill in the blank(s) with the appropriate word(s).