The process which keeps everything as conatant as possible in your internal enviroment, control of the conditions involves your nervous system & hormones
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Thermoregulatory centre
An area in the brain which acts as your own personal thermostat. It measures blood temperature and skin temprature.
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Negative feedback
This is the mechanism by which levels of substances eg water or sugar are brought back to normal if they get too high ot low
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Vasodilation
The widening of the blood vessels near the surface of the skin, to radiate more heat into the surroundings
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Diabetes
A disease which prevents the control of blood sugar
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Hormones
Chemical messengers that are released directly into the blood by the glands
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CNS
The brain and spinal cord
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Glands
They make and secrete hormones into the blood
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Kidneys
The organ which controls the levels of ions and water in the body
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Pituitary gland
A gland found in the centre of the brain, whoch produces many important hormones
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Enzymes
These are protein molecules which speed up reactions and work more effectively in our body at 37oc
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Pancreas
This organ secrets hormones which are necessary for maintaning blood sugar levels
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Glucose
This is the main type of sugar in the blood and its major source of energy for teh bloods cells
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Receptors
These are the groups of cells which detect any changes in our enviroment
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Effectors
These are organs or muscles which respond to a stimulus
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Other cards in this set
Card 2
Front
An area in the brain which acts as your own personal thermostat. It measures blood temperature and skin temprature.
Back
Thermoregulatory centre
Card 3
Front
This is the mechanism by which levels of substances eg water or sugar are brought back to normal if they get too high ot low
Back
Card 4
Front
The widening of the blood vessels near the surface of the skin, to radiate more heat into the surroundings
Back
Card 5
Front
A disease which prevents the control of blood sugar
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