Question

On an average day, about 24 L of fluid leaves blood capillaries and enters tissues; about 20.4 L of this fluid returns to the bloodstream in the venous end of capillaries. How much fluid does the lymphatic system return to the blood circulation each day in order to maintain homeostasis of body fluids and blood pressure? ______________
The answer is 3 L

Answer 1

Its 3.6 L fluid

i.e. 24 - 20.4