Distinguish between positive and negative feedback explain why unlike negative feedback positive feedback is a common feature of hormonal pathways

The difference is the response they produce.

To keep the body in homeostasis.

Explanation:

Feedback loops can be explained as the processes where the input into the system by the biological reaction is taken into account and the corresponding reaction is produced.

The difference between negative and positive feedback loops is the reaction that the input triggers in the system. If the response to the input is to amplify the first step of the process (secreting a type of hormone or producing an enzyme) , this is an example of positive feedback loop. If the response of the system decreases the cause, it is defined as a negative feedback loop.

Because almost all hormones are produced and secreted to keep the body in a state of homeostasis, the feedback loops that they use are mostly positive.

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