Positive Feedback Mechanism

Positive feedback mechanisms typically control ________ events that do not require continuous adjustments.

infrequent

Enhancement of labor contractions during child birth and blood clotting are both examples of what?

positive feedback mechanism

Break or tear in occurs in a blood vessel wall

What is 1?

Platelets adhere to site and release chemicals

What is 2?

Released chemicals attract more platelets

What is 3?

Platelet plug forms

What is 4?

Feedback cycles ends when plug is formed

What is 5?

positive feedback cycle is initiated

What is 6?

Cascades ________ the original stimulus.

amplify

Once initiated, the results of a positive feedback mechanism reaction feed into the next like a series of waterfalls on a river. Which causes them to be referred to as _________

cascades

In a positive feedback mechanism, the initial response ______ the original stimulus so that further responses are even ______.

enhances, greater

_______ a hypothalamic hormone, intensifies labor contractions causing them to be both more frequent and more powerful.

oxytocin