The need for communication
- Created by: Stewie Griffin
- Created on: 14-06-13 12:38
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- The need for communication
- Keeping cells active by enzyme activity
- Need a suitable temperature
- Suitable pH
- Freedom for toxins
- Stimulus and response
- Stimulus
- Environmental change eg temperature
- Response
- The way in which the organism responds to the stimulus
- Stimulus
- Coordination and a good communication system
- Cover the whole body
- Enable cells to communicate with each other
- Enable specific response
- Fast
- Enable both short term and long term responses
- Cell signalling
- Cells communicate with each other by cell signalling
- 2 major systems of communication that work by cell signalling (neuronal and hormonal system)
- Neuronal system is an interconnected network of neurones that signal to each other across synapse junctions
- Hormonacl system uses the blood to transport its signal allowing long term responses to be coordianted
- Keeping cells active by enzyme activity
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