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Why positive feedback can sometimes cause vicious cycles and death?
Wiki User
∙ 11y ago
A healthy human being pumps around 5 liters of blood per minutes. If a person suddenly loses 2 liters, the amount of blood in the body is so low that not enough blood is available for the heart to pump effectively, thus causing dropped blood pressure, diminished pumping and a weak heart and this causes the cycle to start again (sudden loss of blood to the body which leads to the same catastrophic series of events) until the person dies
Wiki User
∙ 11y ago
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Vicious Cycles - 1967 was released on: USA: 1967
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Len Janson has: Performed in "Stop Look and Listen" in 1967. Played Leader of the Vicious Cycles in "Vicious Cycles" in 1967. Played The Pug-Nosed Kid in "Blaze Glory" in 1969. Performed in "The ABC Saturday Superstar Movie" in 1972. Played Billy The Creep in "Sgt. Swell of the Mounties" in 1972.
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Most of our bodies systems run on negative feedback. This means, for example, say you are hungry. Your body produces and releases a signal and when you are fed, your body realizes it needs to stop making you feel hungry. So other hormones/signals are released to quiet down the initial one. Very few of ourbodies systems run on positive feedback. One example is labor contractions. A signal is given in the body to have a small contraction, that contraction happens and instead of the body saying "okay mission accomplished" and quiteig down the first signal (like in negative feedback) it actually INCREASES the amount of the initial signal so you get more and more powerful contractions. Hope I explained that so you understand it!
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