Feedback Mechanisms Flashcards

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1
Q

Negative feedback loop

A

when the body receives a stimulus and the response decreases/counteracts the stimulus

ex) temperature regulation

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2
Q

Positive feedback loop

A

when the body receives a stimulus and increases the stimulus

ex) childbirth contractions

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3
Q

Stimulus

A

a change in the environment that causes a reaction

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4
Q

Signal

A

a message that is sent

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5
Q

Response

A

something you do after you receive a signal, a reaction to the stimulus

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6
Q

Levels of organization starting from cells?

A

cells, tissues, organs, organ systems, organism

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7
Q

cells (in terms of levels of organization)

A

the smallest and basic unit of life

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8
Q

tissues

A

a group of cells that have the same function

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9
Q

organs

A

a group of different types of tissues that work together

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10
Q

organ system

A

a group of different types of organs that perform a major function in the body

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11
Q

organism

A

any living thing

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