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Body temp

Energy loss and energy gain from you body need to be balanced so that your body temp erature remains constant.

the temperature in your body extremities tends to be cooler than your core body temp.

Energy is transferred fromt the blood to the tissues when it reaches the cooler parts.

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Body temp

Controlling body temperature requires: -

Temperature receptors in the skin to detect external temperature.

Temp receptors in the brain to measure the temperature of the blood

The brain which acts like a processing centre, to recieve information from the temperature receptors, responding by triggering the effectors.

Effectors (sweat glands and muscles) to carry out the automatic response.

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syptoms of high temp

if your body temp is too high heat needs to be transferred to the environment. e.g.



from the skin requires heat energy fromt he body.

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syptoms of low temp

if you body temperature is too low your body will start to shiver.

shivering is the rapid contraction and release of muscles.

these contractions require energy from the increase respiration, and heat is released as a by-product, warming surrounding tissue.

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