The lymphatic system is involved in immunity and other physiological functions. Which of the following statements about the lymphatic system is TRUE?

A. The lymphatic system is essential to absorb the carbohydrates we eat.
B. The lymphatic vessels are linked with tight junctions, to ensure that pathogens do not reach other organs.
C. The spleen filters lymphatic fluid and produces red blood cells erythrocytes
D. The lymphatic vessels use the pressure created by the heart to ensure that the lymph flows in only one direction.
E. The lymphatic system absorbs some fluid from the interstitial space and filters it before returning it to the blood circulation.