What is one way the body loses water from the body
Via the lungs in breath
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Why does urine go dark in colour on a hot day and/or when you're exercising?
It is more concentrated as water has been lost from sweating (being hot) and breathing a lot more (exercising)
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What is meant by the term homeostatis
The maintenance of a constant internal environment
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Why does the human body's temperature need to be kept around 37 degrees Celsius?
The optimum temperature for many enzymes controlling reactions in the human body is 37 degrees Celsuis
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Why do we sweat a lot when we are cold?
Trick question: The body produces very little sweat when we are cold as the sweat gets rid of some heat in the body when it evaporates and the body needs heat at that moment
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Why do our blood vessels widen when we are hot?
So that more blood flows near the surface of the skin, leading to energy being transferred into the surroundings, which cools you down
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Other cards in this set
Card 2
Front
Why does urine go dark in colour on a hot day and/or when you're exercising?
Back
It is more concentrated as water has been lost from sweating (being hot) and breathing a lot more (exercising)
Card 3
Front
What is meant by the term homeostatis
Back
Card 4
Front
Why does the human body's temperature need to be kept around 37 degrees Celsius?
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