NEET BIOLOGY

Detailed explanation-1: -When you are cold, you shiver and your blood vessels contract, which warms you up. When you are hot, you sweat and your blood vessels expand, which cools you down. Q. What is another word that can be used to describe “homeostasis"?

Detailed explanation-2: -In the early stages of a fever, you often feel cold and start to shiver. This is your body’s response to a rising temperature. The blood vessels in your skin tighten up (constrict), forcing blood from the outer layer of your skin to inside your body where it is easier to keep the heat in.

Detailed explanation-3: -When you feel cold, tiny sensors in your skin send messages to your brain telling you that you need to warm up. Your brain then sends messages to nerves all over your body telling your muscles to move.

Detailed explanation-4: -Thermogenesis: Your body’s muscles, organs, and brain produce heat in various ways. For example, muscles can produce heat by shivering. Hormonal thermogenesis: Your thyroid gland releases hormones to increase your metabolism.

Detailed explanation-5: -Answer and Explanation: A negative feedback loop is an automatic change that occurs in the body to correct an underlying change. Therefore, shivering when cold is a negative feedback loop since it is a corrective measure to reverse the original change and bring the body system back to normal.