All viruses contain nucleic acid, either DNA or RNA (but not both), and a protein coat, which encases the nucleic acid. Some viruses are also enclosed by an envelope of fat and protein molecules. In its infective form, outside the cell, a virus particle is called a virion.
The basis for physical fitness is having a good eating habit, which means to know what you are eating and to eat cleanly. Exercise at least an hour every day and drink plenty of water throughout the day.
C. <span>Chronological Order. Order of doing so. (Next, Then, ect.)</span>
