take the top of the hanging piece of tie and thread it through the loop created at the back 3 first loop to form the front loop of the bow double up the shorter end placing across the collar and hold in place with your forefinger 6 knot and tighten once through even out the ends and tighten
Cells that engulf and digest bacteria and other foreign substances  as well as debris from dead cells are called macrophage. Macrophage  also stimulate white blood cells to â¦respond to pathogens.
1 Phagocytes: cells that swallow up germs and other unwanted waste materials in the body. 2  Soft callus: a soft bump that forms around a fracture when a bone is broken and healing.