12. Insulin is produced by which gland?

1. Hair and Nails Continue to Grow After Death:

   • Myth: There is a common belief that hair and nails continue to grow after a person dies. In reality, what happens is that the skin around them dehydrates and shrinks, giving the appearance of increased length.

2. Cracking Your Knuckles Causes Arthritis:

   • Myth: The idea that cracking your knuckles leads to arthritis is not supported by scientific evidence. Knuckle cracking is generally harmless and is caused by the release of gas bubbles in the synovial fluid within the joints.

3. Bats are Blind:

   • Myth: The myth that bats are blind likely stems from their nocturnal nature and reliance on echolocation for navigation. In reality, bats are not blind; many species can see quite well.

4. Sugar Causes Cancer to Grow Faster:

   • Myth: There is a misconception that consuming sugar causes cancer to grow more rapidly. While cancer cells do consume glucose, restricting sugar intake alone is not a proven method to treat or prevent cancer.

5. Swallowed Gum Takes Seven Years to Digest:

   • Myth: Contrary to popular belief, swallowed chewing gum does not stay in the stomach for seven years. It typically passes through the digestive system without being fully digested, much like other indigestible materials.

6. Cold Weather Causes Colds:

   • Myth: While cold weather is associated with the flu season, being cold itself does not cause colds. Colds are caused by viruses, and factors like close contact with infected individuals play a more significant role in transmission.

7. The Five Second Rule for Dropped Food:

   • Myth: The idea that it's safe to eat food that has been dropped on the floor if picked up within five seconds is not scientifically accurate. Bacteria can contaminate food almost instantly upon contact.

8. Humans Swallow an Average of Eight Spiders a Year While Sleeping:

   • Myth: The idea that people unknowingly swallow spiders while sleeping is a common myth. Spiders are not inclined to crawl into people's mouths, and this claim has no basis in reality.

It's important to be aware of common myths and misconceptions and verify information through reliable sources to ensure accurate knowledge.