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which statement is an example of a feedback mechanism in humans

1.) increase in the level of blood sugar results in the pancreas increasing the amount of insulin it secretes

2.) increase exposure to pathogenic bacteria result in an increase in the number of red blood cells produced

3.) an increase in exercise results in a decrease in the rate of respiration

4.) increased muscle activity results in a decrease in heart rate

Respuesta :

Answer:

1.

Explanation:

Controlling the level of sugar in the blood is an example of a feedback mechanism

The feedback mechanism man is a physiological regulation system that is found in a living body that works to return the body to the normal or earlier internal state. It is commonly called the homeostasis mechanism.

  • This feedback loop can be seen in any day-to-day function such as a rise in blood pressure levels, which results in the increase of insulin secretion in the body.  
  • An increase in physical activity leads to an increase in respiratory rate and the homeostatic mechanism will gradually lead to the body to the previous state.

Thus the option 1 is correct.

Learn more about the example of a feedback mechanism in humans.

brainly.com/question/21056019.

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