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.
Half-mast or half-staff refers to a flag flying below the summit on a pole. In many countries this is seen as a symbol of respect, mourning, distress, or in some cases, a salute. Strictly speaking, flags are said to be half-mast if flown from ships, and half-staff if on land, although not all regional variations of English use half-staff. The tradition of flying the flag at half-mast began in the 17th century. According to some sources, the flag is lowered to make room for an invisible flag o