Jesse Owens' courageous achievement. A look back at the amazing feats of Jesse owens, winning four gold medals in Berlin in 1936 and defying the hatred of Hitler at the same time. Share this.
Report Abuse. Blue, due to the hemocyanin. Crayfish and many other organisms use copper to carry oxygen instead of iron like humans, so their blood is blue. http://www.hostourcoast.com/photos/posts...There's a picture of horseshoe crab blood, which is very similar to crayfish blood.ating Newest Oldest. Best Answer: Many lower animals carry oxygen in their blood stream by means of a dissolved substance called hemocyanin ,this pigment is blue in color. So crayfish has blue blood like lobster, crab, scorpion, octopus, squid, clam and mussel.
In this condition, the nails are really normal in color but the nail bed, the tissue that lies beneath the nail, is blue. This is commonly called nail bed cyanosis and is a sign of poorly oxygenated blood or more accurately unoxygenated hemoglobin, the oxygen carrying protein in red blood cells.ale Nails. White nails with a rim of darker color at the tip of the nail is called Terry's nail and often a sign of a severe liver disease called cirrhosis.