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.
The Main Organs. The main organs of the nervous system are, the brain, the spinal cord and the nerves. Here is what each organs do and a picture. The brain functions to keep your memory. The brain is connected to most everything in your body. Information is sent from all body systems to the brain.