Key Words: Communication and Homeostasis

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  • Created by: natz_16
  • Created on: 30-07-19 17:18
What is a stimulus?
A change in the environment that causes a response
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What is homeostasis?
The maintainence of a constant internal environment in response to external and internal changes
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What is cell signalling?
Communication between cells. Molecule is released, binds to a recipient cell which causes a change in that cell
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What is a receptor?
Cell, tissue or organ that detects the stimuli
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What is an effector?
Cell, tissue or organ that brings about a response
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What is negative feedback?
response to a change in conditions that acts to reverse that change
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What is positive feedback?
a small change brings about an increase in that change
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What is an ectotherm?
Organisms that rely on their surroundings to gain body heat
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What is an endotherm?
Organisms that generate their own heat
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Other cards in this set

Card 2

Front

What is homeostasis?

Back

The maintainence of a constant internal environment in response to external and internal changes

Card 3

Front

What is cell signalling?

Back

Preview of the front of card 3

Card 4

Front

What is a receptor?

Back

Preview of the front of card 4

Card 5

Front

What is an effector?

Back

Preview of the front of card 5
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