Why do we have Birthmarks? + more videos | #aumsum #kids #science #education #children

TL;DR

Learn about birthmarks, eye colors, and the purpose of having two eyes.

Transcript

It's AumSum Time. Why do we have birthmarks? Because tattooing is expensive dude. No. Birthmarks are colored marks on our skin. Which are present at birth or appear shortly afterwards. Birthmarks are of two types, vascular and pigmented. Vascular birthmarks are caused when a lot of blood vessels clump together. Or they are stretched wider than usua... Read More

Key Insights

• 🩸 Birthmarks can be vascular (blood vessels) or pigmented (melanin clusters).
• 😃 Eye color is determined by the amount and type of melanin in the iris.
• 😃 Genetics play a significant role in determining eye color.
• 💱 The angle of Earth's axis causes the change in seasons.
• 😃 Two genes, OCA2 and HERC2, regulate eye color production.
• 😃 Two eyes provide a wider field of view and better depth perception.
• 😃 Combined images from both eyes help the brain create a three-dimensional view.

Questions & Answers

Q: What are the two main types of birthmarks?

The two main types of birthmarks are vascular, caused by clumped blood vessels, and pigmented, caused by clustered melanocytes.

Q: How is eye color determined?

Eye color is determined by the amount and type of melanin produced in the iris, with genetics playing a significant role.

Q: Why do we have different eye colors?

Different eye colors result from variations in melanin production, regulated by genes inherited from parents.

Q: What is the purpose of having two eyes instead of one?

Having two eyes provides a wider field of view, enhances depth perception, and enables the brain to create three-dimensional images for better distance judgment.

Summary & Key Takeaways

• Birthmarks are colored marks on the skin, either vascular or pigmented.

• Eye color is determined by the amount and type of melanin produced in the iris.

• Having two eyes provides a wider field of view and depth perception.