FLUID COMPARTMENTS AND FLUID SHIFTS. Water accounts for a total of 60-70% of body weight and is contained in three compartments: intracellular, interstitial and intravascular. Intracellular water accounts for about 40% of body weight and 70% of total body water.
Which lymph nodes are swollen can help identify the problem. 1  The glands on either side of the neck, under the jaw, or behind the ears commonly swell when you have a cold or sore throat.  Glands in the armpit (axillary lymph nodes) may swell from an injury or infection to the arm or hand.
Other Causes. A cold and sore throat will cause lymph nodes behind ear or the neck as well as at the base of your skull to swell. If you get an allergic reaction to anything including drugs, chances are that lymph nodes behind ear might swell alongside other symptoms.ancer. Some types of cancer cause the lymph nodes to swell. This is mostly a sign of blood cancers and lymphoma that cause malignant cells to flow through the whole body. Once the swelling is trapped behind the ears, a growth or tumor might develop there, putting your body on high alert.