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.
I woke up yesterday and my jaw was hurting when eating. I've been told it's not unusual to get this, it's slightly swollen from neck to ear. I don't have a cold but had a bit of sore throat in the morning but it is gone now. I am on antiviral medicines, didn't know if they cause these swollen lymph nodes.