Hormones
Neuroendocrine cells are like nerve cells, but they also make hormone like cells of the endocrine system. They receive messages from the nervous system and respond by making and releasing hormones. These hormones control many bodily functions.
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Answer:
2. "I need to keep my child on bed rest for 3 weeks to discourage physical activity."
Explanation:
Mononucleosis enlarges the spleen, making it prone to break more easily, for this reason, it is advisable to avoid activities that require a great physical effort and rest in bed for 3 to 4 weeks for optimal recovery.
If organ systems failed to work together your body would not work because your heart pumps blood in order for your whole body to work.