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Clusters of cells located near the carotid artery in the neck sense the amount of oxygen in the blood. If the
level is too low, these arteries send signals to the brain that result in an increased breathing rate, which
increases the amount of oxygen in the blood

This is an example of which of the following?

O positive feedback helping to maintain homeostasis

O negative feedback to amplify small signals

positive feedback to amplify small signals

O negative feedback helping to maintain homeostasis

The function of this cluster of arteries located near the carotid artery that sense blood oxygen levels and send corresponding signal to the brain are an example of negative feedback helping to maintain homeostasis.

Homeostasis is the ability to maintain balance among all of the characteristics necessary for survival. This consist of numerous mechanisms to adapt and correct any variation in the level of homeostasis. Some examples are :

Temperature control
Liquid concentrations
Sleep cycle regulations
and many more.

Positive feedback is the correction caused by an excess of a substance, Negative feedback however, is when a signal is sent to correct the lack of something. In the example given, signals are sent to the brain in response to low levels of oxygen in the blood, in order to increase and correct this variation in the homeostasis of blood oxygen levels. For this reason, the final option is correct.

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