The size of a stone crab claw is considered to be the length of the propodus. The propodus is the larger, immovable part of the claw. Legal-sized (harvestable size) claws are 70 mm (2 3/4 inches) or greater in propodus length.
Blood is called a connective tissue because it carries with it many digestive substances, oxygen from lungs, foods from small intestines and provide it to other tissues and organs of the body.
Interstitial fluid. Interstitial fluid (ISF) or tissue fluid is a solution that bathes and surrounds the tissue cells of multicellular animals. It is the main component of the extracellular fluid, which also includes plasma and transcellular fluid. The interstitial fluid is found in the interstices - the spaces between cells (also known as the tissue spaces).