Best Answer: Interstitial fluid (or tissue fluid, or intercellular fluid) is a solution which bathes and surrounds the cells of multicellular animals. It is the main component of the extracellular fluid, which also includes plasma and transcellular fluid.ot all of the contents of the blood pass into the tissue, which means that tissue fluid and blood are not the same. Red blood cells, platelets and plasma proteins cannot pass through the walls of the capillaries.
While the Kindle Fire has an estimated eight hours of battery life, the original Kindle can be used for over a month without needing a recharge. The backlight in the Kindle Fire requires significantly more memory than the e-ink used in the e-readers, too.
The Paperwhite's advantage is that you can read it in both the noonday sun & a moonless night! Batteries last a looooooooong time. The Kindle Fire's advantage is that it can work as a Tablet and you can read it on a moonless night! ... (And, in the shade during daytime.) Batteries last about 12 hours of use.