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.
1. Obtain muslin fabric when you create backdrops for photography. Muslin fabric is a low-priced cotton found at most fabric shops. 1  Muslin comes in a selection of widths. 2  Purchase 4 yards (3.66 m) to 5 yards (4.57 m) of the widest material possible.3  Muslin material comes in shades of white, and can be dyed any color.. 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.