"Muscles" tense up as a defense mechanism
Food borne illness, or salmonella. Sorry if my answer is wrong
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Scribd - they provide you with detailed cases.
nurseslabs- if you want to know more about health issues and how they are being treated you can check it out here.
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MedicineNet, Drugs.com - if you want to learn more about your given medications.
Answer: The sympathetic nervous system connects the internal organs to the brain by spinal nerves. When stimulated, these nerves prepare the organism for stress by increasing the heart rate, increasing blood flow to the muscles, and decreasing blood flow to the skin.
Explanation: