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.
The following are not laws; they are examples of courteous flag etiquette. Fly a U.S. flag above all other flags on a flagpole. An upside-down flag is a sign of distress. A flag at half-mast is a sign of mourning. When raising or lowering a flag half-mast, first raise the flag to the top of the flagpole. It is unacceptable to lower a flag over a casket into a grave.