The U.S. Department of Agriculture has estimated that the average person eating a healthful diet would still have room for ten teaspoons a day of sugar (that's the amount in a 12-ounce soft drink). Of course, the average American is not eating that healthful diet. Yet he or she consumes 20 teaspoons of sugar a day.Make that 34 teaspoons for the average teenage boy! http://www.findarticles.com/p/articles/m... If you eat a healthy diet and meet your nutritional needs on most days, you can still enjoy guilty pleasures like a sweet dessert or an occasional sugary soda.et he or she consumes 20 teaspoons of sugar a day. Make that 34 teaspoons for the average teenage boy! http://www.findarticles.com/p/articles/m...
The respiratory system provides oxygen to the bodyâs cells while removing carbon dioxide, a waste product that can be lethal if allowed to accumulate. There are 3 major parts of the respiratory system: the airway, the lungs, and the muscles of respiration. The airway, which includes the nose, mouth, pharynx, larynx, trachea, bronchi, and bronchioles, carries air between the lungs and the bodyâs exterior. The lungs... Click to read more below. The cells of the human body require a constant stream of oxygen to stay alive.
Introduction[edit] The respiratory system serves three principal purposes in the human body: gaseous exchange; sound production; and assistance in compression of the abdomen. It can be divided into two structural divisions, upper and lower, as well as two functional divisions, conducting and respiratory.