The West is blinking in disbelief â Vladimir Putin just invaded Ukraine. German diplomats, French Eurocrats and American pundits are all stunned.
A: The main organ in the circulatory system is the heart, according to Hillendale Health. The two other major parts of the circulatory system are the blood and the blood vessels. The heart is found slightly to the left at the center of the chest, and it is primarily responsible for pumping blood and keeping the blood moving throughout the body, explains Hillendale Health.
Transportation of the lymph is the most important function of the lymphatic vessels of the lymph nodes. The lymph nodes then act as filters to filter out impurities from the bâ¦lood vessels and produce antibodies. Answered by The WikiAnswersÂ® Community. Making the world better, one answer at a time.