The Digestive System is composed of the gastrointestinal tract and biliary system, which produces digestive juices and enzymes that help break down food and liquid.

The nervous system comprises of the brain, spinal cord, and complex nerves. This system sends messages from the brain to the different parts of the body to do certain functions.

Cardiac Rhythm is defined by the beating of the heart, which is an electrical impulse produced by the highly specialized fibers.

Hypertension happens when your blood pressure goes beyond the normal pressure, which is often caused by smoking and a sedentary lifestyle.