Bizarre Bodily Behaviors Explained

The video explores common phenomena related to light and temperature. It explains why red eyes appear in flash photos due to the proximity of the flash to the lens and the dilation of pupils in darkness. It also covers why some people sneeze when exposed to sunlight, attributing it to a short circuit between the optic and trigeminal nerves. Lastly, it debunks the myth of swimming after eating being dangerous, explaining that thermal shock from sudden cold water immersion is the real risk.

What causes red eyes in flash photography?

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Explain the role of darkness in the phenomenon of red eyes.

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How does the structure of animal eyes differ from human eyes in terms of light reflection?

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Why do some people sneeze when exposed to bright sunlight?

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What is the relationship between thermal shock and swimming after a meal?

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Describe the physiological response of the body when suddenly immersed in cold water.

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What precautions should be taken when swimming after eating?

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