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Guide Questions:

1. What is homeostasis?

2. When does positive feedback mechanism occur in the body?

Closure. Describe the positive feedback mechanism that happens during
childbirth.​


Sagot :

Answer:

1 .the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes

2 .When tissue is torn or injured, a chemical is released. This chemical causes platelets in the blood to activate. Once these platelets have activated, they release a chemical which signals more platelets to activate, until the wound is clotted. Figure 4: The process of wound clotting is a positive feedback loop