The homeostasis of the body is controlled through a series of steps called a feedback system or feedback loop. One component of such systems is a control center. Which of the following organs would frequently serve as the control center for a feedback system (remember, the control center evaluates the disruption to homeostasis, and it also triggers a response)?
1.Skeletal muscles
2. Brain
3. Nerve endings in the skin
4. Blood and lymphatic fluid
5. Sweat glands
Answer: 2. Brain
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