Where do the preganglionic neurons of the sympathetic nervous system emerge from the spinal cord?

When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection

Patient has just received an organ transplant which treatment would be most effective in preventing the patient’s body from

In "the man in the water," what was the remarkable occurrence that rosenblatt reported?