Gastroesophageal reflux disease is a condition in which stomach acid repeatedly flows back up into the tube connecting the mouth and stomach, called the esophagus. It’s often called GERD for short. This backwash is known as acid reflux, and it can irritate the lining of the esophagus.

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Digestive system is made up of a series of organs that allows your body to get the nutrients and energy it needs from the food we eat. Digestion starts in the mouth where chewing and saliva breaks down food so it is more easily processed by your body.

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Hypertension (high blood pressure) is when the pressure in your blood vessels is too high (140/90 mmHg or higher). Among other complications, hypertension can cause serious damage to the heart. Excessive pressure can harden arteries, decreasing the flow of blood and oxygen to the heart.

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The muscular system is composed of specialized cells called muscle fibers in which their predominant function is contractibility. Muscles, attached to bones or internal organs and blood vessels, are responsible for movement and nearly all movement in the body is the result of muscle contraction.

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A cell is the smallest, membrane-bound unit that consists of organelles, each having its own functions that work together as one unit. For my cell interpretation, I compared the cell to a car and its parts as they are very similar.

The car doors are like the Cell Membrane because they control and allow what goes in and out of the car.

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