The open circulatory system is a system in which a fluid in a cavity called the hemocoel bathes the organs directly with oxygen and nutrients and there is no distinction between blood and interstitial fluid; this combined fluid is called hemolymph or haemolymph.
Be sure to pre-heat dryer. The heat set with an iron it's important to note that temperatures vary from iron to iron. When using an iron, pre-heat iron to maximum temperature safe for fabric. Place aluminum foil on ironing board and the painted side of the fabric down. Press against the backside for at least 15-25 seconds per square foot.
When you create backdrops for photography, you want exact edges. 8. Apply double-edged iron-on sewing tape along the outer perimeter of the material. When you are making photography backdrops, taping the edges will prevent them from fraying. 1  Fold the end of the material over the tape, maintaining a straight line.. Dye your fabric before you dry it. Adding different colors will give you a selection of backdrops to work with. 1  Work outside when dying muslin material, in case of spills. 2  Follow the directions on the dye, adding the correct amount of dye to a large bucket of hot water.