1. 1  Transportation. 2  Blood is the primary means of transport in the body that is responsible for transporting important nutrients and materials to and from the cells and molecules that make up our body.
Flag Display Guide. Displaying the Flag at Half Mast: When you need to display the American flag at half mast, you actually need to hoist it completely to the peak of the pole and then instantly lower it to the half staff position. At the close of the day, the flag should again be raised to the peak of the flag pole and then lowered completely.
1 When used during a marching ceremony or parade with other flags, the U.S. Flag will be to the observer's left.  When flown at half-staff, should be first hoisted to the peak for an instant and then lowered to the half-staff position. The flag should be again raised to the peak before it is lowered for the day.