Homeostasis Ws5

Omar Bin Al-Khattab Sec. School Biology Dept

Homeostasis

The coordinating systems of the body

Worksheet – 5 Name : 1. Mammals respond to many environmental stimuli, give some examples. __________________________________________________________________________ 2. To respond to these stimuli their bodies must contain receptors. Give some examples of receptors. __________________________________________________________________________ 3. What is the importance of responding to environmental stimuli? __________________________________________________________________________ 

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4. What are the two coordinating systems in our body? 

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5. What are the similarities between them? 1. ______________________________________________________________________. 2. ______________________________________________________________________. 3. ______________________________________________________________________. 4. ______________________________________________________________________.

6. Compare between hormonal and nervous system? Nervous system Nature of message Speed of conduction Respond Connection with the effecter ( target ) organ Duration of response

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Hormonal system