What happens when I am frightened?
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A hormone called adrenalin is released from the adrenal glands, which are small glands attached to the kidneys.
Adrenalin readies the body for instant action. It makes your heart beat faster and you breath more deeply. The increased blood flow releases energy from the stored food materials, ready to provide power for the muscles to work.
Adrenalin causes the pupils of the eye to open wider, improving vision. Also, it makes digestive processes stop, allowing energy and blood to be channelled to other important areas.
Blood is channelled away from the skin, so you become pale, and tiny muscles in the skin contract making your hairs stand on end, causing 'gooseflesh'.
The sudden rush of adrenalin produced during any dangerous or violent activity, such as bungee jumping, can be very exciting, although it is really intended to prepare the body for fight or flight.
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Date Added: 22 December '11
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