You characterize it by antagonism.
Answer:
Organs are organised into organ systems. An organ system is a group of organs that work together to do a job. The circulatory system includes the heart, veins and arteries. Its function is to transport substances in the blood, around the body.
Answer:
Born: March 14, 1879. Ulm, Germany
Died: April 18, 1955. Princeton medical center, New Jersey.
D. would be your answer.
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