Circulatory system controls all of your actvity and it transfferes blood to your brain so you wont have a stroke
B. Prevent injury
Always important
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Hypothalamic damage can lead to: loss of autonomic control of body temp., blood pressure, loss of hunger and thirst drives, pituitary hormone deficiencies.
Always eat healthy and drink healthy things.
An author's credentials can determine a health source's credibility. None of the other options would apply to credibility. When it comes to health, if you want to make sure that what you are researching or reading is authentic and reliable you need to find out whether the author is a professional health expert or not. You can do this by finding out their credentials.
