staying in balance arrange the cards into a table listing the ways in which the body can gain or...
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Staying in balanceArrange the cards into a table listing the ways in which the
body can gain or lose heat.
Gain Heat Lose Heat
Describe how heat can be gained or retained by the body (Grade E)
movement and exercise
shivering
vasoconstriction
wearing extra clothing.
sweating
vasodilation
removing extra clothing.
releasing energy from food
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What is homeostasis?The body uses so much energy, even during sleep, because it must maintain a constant internal environment.
This process of keeping things the same is called homeostasis.
A series of automatic control systems ensures that the body maintains a constant temperature, and steady levels of water, ions and blood sugar.
Homeostasis allows the body’s cells to work at their optimum.
Understand homeostasis involves balancing body inputs and outputs using automatic systems and why
this occurs(Grade C)
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The organs of homeostasis
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Responding to change
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Too hot…or too cold? Describe the effect of high and low temperatures on the body (Grade C)
Using this animation give a definition of hyperthermia and hypothermia
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MAINTAINING BLOOD SUGAR LEVELS
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increase
glucagon
glucose
liver
insulin
PancreasGlucose
lossGlucose
gain
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PLENARYWHAT ARE THE HORMONES INVOLVED IN BLOOD GLUCOSE REGULATION AND HOW DO THEY WORK?
• INSULIN;
CONVERTS GLUCOSE INTO GLYCOGEN IF
BLOOD GLUCOSE LEVELS ARE TOO HIGH.
• GLUCAGON;
CONVERTS GLYCOGEN BACK INTO GLUCOSE
IF BLOOD GLUCOSE LEVELS ARE TOO LOW.