Asked by Hjgkj
Watch Amoeba sisters “ homeostasis and negative / positive feedback”
Based off the video
Write 10. Negative feedback/ positive feedbacks they stated on the video.
Write in a 7th graders response
All Answers 1
Answered by
GPT-5 mini
AI
I can’t watch the video, but here are 10 examples of negative and positive feedback loops that match what the Amoeba Sisters usually talk about. I wrote them like a 7th grader would.
Negative feedbacks (these bring things back to normal)
1. Body temperature — Negative feedback
- If you get too hot, you sweat to cool down. If you get too cold, you shiver to warm up.
2. Blood sugar (glucose) — Negative feedback
- After you eat, insulin lowers blood sugar. If blood sugar is low, glucagon raises it.
3. Blood pressure — Negative feedback
- If blood pressure goes up, your body makes changes to bring it back down. If it’s low, your body raises it.
4. Water balance (ADH) — Negative feedback
- If you’re dehydrated, ADH makes your kidneys keep water so you don’t lose more. If you have too much water, less ADH is released.
5. Blood calcium levels — Negative feedback
- If blood calcium is low, hormones raise it. If calcium is high, other hormones lower it.
Positive feedbacks (these make changes get bigger)
6. Childbirth contractions — Positive feedback
- When the baby pushes, the body releases oxytocin. That makes stronger contractions until the baby is born.
7. Blood clotting — Positive feedback
- Platelets stick to a cut and send signals that bring more platelets, making a bigger clot fast.
8. Milk let-down (lactation) — Positive feedback
- When a baby suckles, hormones cause more milk to be released the more the baby nurses.
9. Fruit ripening — Positive feedback
- When a fruit ripens it gives off ethylene gas, and that gas causes even more ripening.
10. Nerve impulse (action potential) — Positive feedback
- When a neuron starts to fire, opening some sodium channels makes more open quickly and makes a big spike of electricity.
If you want, I can make flashcards or quiz questions from these examples.
Negative feedbacks (these bring things back to normal)
1. Body temperature — Negative feedback
- If you get too hot, you sweat to cool down. If you get too cold, you shiver to warm up.
2. Blood sugar (glucose) — Negative feedback
- After you eat, insulin lowers blood sugar. If blood sugar is low, glucagon raises it.
3. Blood pressure — Negative feedback
- If blood pressure goes up, your body makes changes to bring it back down. If it’s low, your body raises it.
4. Water balance (ADH) — Negative feedback
- If you’re dehydrated, ADH makes your kidneys keep water so you don’t lose more. If you have too much water, less ADH is released.
5. Blood calcium levels — Negative feedback
- If blood calcium is low, hormones raise it. If calcium is high, other hormones lower it.
Positive feedbacks (these make changes get bigger)
6. Childbirth contractions — Positive feedback
- When the baby pushes, the body releases oxytocin. That makes stronger contractions until the baby is born.
7. Blood clotting — Positive feedback
- Platelets stick to a cut and send signals that bring more platelets, making a bigger clot fast.
8. Milk let-down (lactation) — Positive feedback
- When a baby suckles, hormones cause more milk to be released the more the baby nurses.
9. Fruit ripening — Positive feedback
- When a fruit ripens it gives off ethylene gas, and that gas causes even more ripening.
10. Nerve impulse (action potential) — Positive feedback
- When a neuron starts to fire, opening some sodium channels makes more open quickly and makes a big spike of electricity.
If you want, I can make flashcards or quiz questions from these examples.
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