Fainting Goats

When a fainting goat is startled, its external muscles freeze for about 10 seconds, causing it collapse as if in a faint. Older goats generally learn to spread their legs or lean against something when startled and remain standing during these episodes. The condition is caused by a hereditary genetic disorder called myotonia congenita, which disrupts the flow of chloride ions into skeletal muscle cells. What key aspect of human fainting does not happen to these goats?

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