While the number varies from person to person, the human body temperature usually rests around 98.6 degrees Fahrenheit. Due to your various bodily processes, your core temperature increases when you have a fever, when exposed to heat and during exercise.

If you're taking birth control pills and prenatal vitamins at the same time, you might be wondering whether there are any special considerations or side effects you need to take into account. There aren't; birth control pills don't interact with prenatals.

The primary function of the heart is to pump oxygenated blood throughout the human body as part of the circulatory system. When a person exercises, the heart rate, otherwise known as the pulse, will increase rapidly with the output of energy.

Nail cuticle infections, also called paronychia, may be caused by bacteria, yeast or fungus. Symptoms include redness, swelling and tenderness at the base of the nail -- and sometimes pus-filled blisters and drainage.

Colloidal gold consists of minute gold particles suspended in a solution, usually water. The mixture may be taken internally and may treat a number of conditions. However, since gold is a heavy metal and colloidal gold preparations are not regulated by the U.S.

Cold-pressed olive oil is extracted from fresh olives by mechanical means at a temperature of 81 degrees Fahrenheit, according to the Olive Oil Source. Cold-pressed virgin olive oil contains high amounts of monounsaturated fatty acids, polyphenols and antioxidants that provide many health benefits.

The typical human skeleton consists of 206 bones in adults. More bones are present at birth, which gradually fuse together as the body matures. The skeleton is divided into two parts. The axial skeleton includes the bones of the skull, face and spine along with the ribs and breastbone.

Hives–clusters of raised, itchy red or white welts–can have any number of causes, says the Mayo Clinic. An allergic reaction or a response to medications or chemicals in foods can cause hives. In the case of chronic hives (hives that last for more than six weeks), the cause may remain unknown.

Although anxiety is an expected response to challenging situations, there are times when people can be so overwhelmed by anxiety that they find it hard to make decisions. Indecision and anxiety can be quite common. Anxiety can cause some such deep angst that making any choice seems impossible.

The contraceptive injection, or Depo-Provera, contains three months worth of hormones—a synthetic form of progestin, called depo-medroxyprogesterone acetate (DMPA). To get an injection, you need to see your doctor every 11 to 13 weeks. If you miss an injection make an appointment with your doctor as soon as possible.

Sometimes the only cure for someone suffering and dying is to receive a new organ. Hearts, livers, lungs, skin, corneas and other organs are harvested from those who have just passed away. Those vital organs are put into the bodies of the living. Nearly 100,000 people are waiting for organs in the U.S.

You don't have to be a teenager to be afflicted with acne now and then. An inflammatory skin disorder, acne is caused by your pores becoming clogged with dead cells and excess skin oil.