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Q: Describe how homeostasis is maintained in the body using the negative-feedback system. Provide an example.
A: Negative feedback occurs when the output of a system reacts to cancel out the effects of an input of a system, as opposed to positive feedback (in which the actions/output is intensified or increased). The more negative, the more stable. [ [ Thus, with things being canceled out, the body maintains homeostasis. An example of negative feedback in action is the maintenance of blood glucose levels
and body temperature. With input of sugar, insulin is released to stabilize the body (on the other hand, without insulin, diabetes can be diagnosed). With a raise in body temperature, blood vessels and pores are opened to release heat. ] ]
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User: Describe how homeostasis is maintained in the body using the negative-feedback system. Provide an example.

Weegy: Negative feedback occurs when the output of a system reacts to cancel out the effects of an input of a system, as opposed to positive feedback (in which the actions/output is intensified or increased). The more negative, the more stable. [ [ Thus, with things being canceled out, the body maintains homeostasis. An example of negative feedback in action is the maintenance of blood glucose levels and body temperature. With input of sugar, insulin is released to stabilize the body (on the other hand, without insulin, diabetes can be diagnosed). With a raise in body temperature, blood vessels and pores are opened to release heat. ] ]
money139|Points 20|

User: Explain what a reflex action is.

Weegy: A reflex action, also known as a reflex, [ is an involuntary and nearly instantaneous movement in response to a stimulus.[1] A true reflex is a behavior which is mediated via the reflex arc; this does not apply to casual uses of the term 'reflex ]
selymi|Points 10196|

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Asked 3/13/2013 12:59:56 PM
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Describe the fertilization process.
Weegy: Double fertilization is a complex fertilization mechanism that has evolved in flowering plants (angiosperms). This process involves the joining of a female gametophyte (megagametophyte, also called the embryo sac) with two male gametes (sperm). (More)
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Updated 112 days ago|2/27/2018 7:43:06 AM
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Fertilization is the fusion of haploid gametes, egg and sperm, to form the diploid zygote.
Added 112 days ago|2/27/2018 7:43:04 AM
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