Flashcards
4.6.1 Principles of Homeostasis
Cards in this deck (11)
- 1What keeps conditions inside the body relatively constant?Automatic control systems
- 2Give examples of control systemsCells called receptors - direct stimuli (changes in the environment)
Coordination centres - receive and process information from receptors
Effectors - bring about responses - 3What are the receptors in the eyes sensitive to?Light
- 4What are receptors in the ears sensitive to?Sound
Changes in positions (enable us to keep our balance) - 5What are receptors in the tongue and in the nose sensitive to?Chemicals (enable us to taste and smell)
- 6What are receptors in the skin sensitive to?Touch
Pressure
Pain
Temperature changes - 7What are receptors in the brain sensitive to?Blood temperature
Concentration of water in the blood - 8What are receptors in the pancreas sensitive to?Concentration of glucose in the blood
- 9Name some coordination centresBrain
Spinal Chord
Pancreas - 10Many chemical process are coordinated by chemical substances called hormones. What are they secreted by and how are they transported?Secreted by glands
Transported to their target organs by the bloodstream - 11Name some internal body conditions that are controlledTemperature
Water content of the body
Ion content of the body
Blood glucose levels
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- GCSE Biology (4 Human Biology) Flashcards on 4.6.1 Principles of Homeostasis, created by Anisha Rai on 22/04/2016.
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