Silk

• Silk is manufactured inside their body.
• There are 2-7 silk glands depending upon the type of spider.
• Liquid silk is hardened by using their back legs to apply tension to it as it comes out of their body.
• Each silk gland produces a different type of silk, for example:
  • sticky silk for trapping prey;
  • dragline silk to protect them if they fall by acting as a safety line like a "bungee cord";
  • egg sac silk to protect eggs.

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