What does the circulatory system carry?
oxygen, glucose and a cell that fights off bacteria causing microorganism.
What statement accurately compares cells in the human circulatory system to cells in the human nervas system?
An Open circulatory system is one in which the flow of blood/hemolymph is from the heart to the peripheral organs then to the body cavity. There is no system of veins to carry the blood back to the heart. This is the arrangement in http://www.answers.com/topic/mollusca. http://www.answers.com/circulatory+system just go to wikipedia and type: Open Circulatory system
Which statement accurately compares cells in the human circulatory system to the cells in the human nervous system?
What does the circulatory system carry that can bring instructions from one part of the body to another?
No, mammals have a closed circulatory system as the system consists of veins and arteries, that carry blood through them. Unlike an open circulatory system which also has a heart, but the blood is free flowing throughout the body. For example when you kill an insect, it is like popping a sack filled with blood, which is exactly what insects with open circulatory systems are.
What are the three functions of the blood when the circulatory system is working with the respiratory system?
The circulatory system is the system running through out the body, carrying nutrients and oxygen to all cells of the body. It consists of the heart and the blood vessels. The exchange and transfer of material takes through the blood. The arteries carry blood away from the heart and the veins carry it back to the heart.