Homeostasis: Question Preview (ID: 4668)


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Vaso-dilation
a) Keeps your body\'s internal environments steady b) You have this if you are diabetic c) Blood vessels contract away from the skin to keep you warm d) Blood flows closer to the surface of the skin to allow heat to escape
Vasoconstriction
a) Blood flows closer to the surface of the skin to allow heat to escape b) Blood vessels contract away from the skin to keep you warm c) Keeps your body\'s internal environments steady d) Hairs lay flat agains your skin
Which organ in the body monitors blood glucose concentration?
a) Pancreas b) Stomach c) Pituitry Gland d) Liver
Name the enzyme that might digest insulin
a) Lipase because insulin is a fat b) Lipase because insulin is protein c) Amylase because insulin is a carbohydrate d) Protease because insulin is a protein
Negative feedback is...
a) When your body realises it has done something wrong b) when a sensory organ detects a change and causes a response to increase the change c) when a sensory organ detects a change and causes a response to counteract the change detected d) When you hurt yourself
If your body gets too hot it responds by
a) shivering, vasodilation and hairs laying flat b) shivering, vasoconstriction and hairs standing on end c) sweating, vasoconstriction and hairs laying flat d) sweating, vasodilation and hairs laying flat
Sweating cools your body down
a) because as it is cold it is the same as washing your face with water b) because as it evaporates it takes heat energy from your body c) because it absorbs the heat from your body d) because as it evaporates it gives you cold energy
We shiver to warm up because
a) it uses up our energy so we get tired and go to bed b) it encourages you to move c) it distracts us from the cold d) the quick contracting and relaxing warms up our muscles and releases heat energy
Homeostasis controls
a) levels of oxygen, water, carbon dioxide and temperature b) Blood sugar, bodytemperature and water c) Blood sugar and body temperature d) Blood sugar, oxygen, carbon dioxide, water and temperature
A green house is an example of homeostasis in industry because
a) the conditions must be kept between levels so the plants don't die b) it is kept warm by the sun so the plants have better conditions c) the conditions are monitored all the time d) the conditions must be kept between levels so the plants produce the optimum produce
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