What causes body odor? plus 4 more videos... #aumsum #kids #science #education #children

TL;DR

Learn about body odor, water staleness, tattoo permanence, fat loss, and sunburn causes.

Transcript

What causes body odor? Obviously sweat. No. Sweat is odorless. What? But how is that possible? Our skin contains two types of sweat glands, eccrine glands and apocrine glands. Eccrine glands are present all over our body. They produce sweat which is mostly water. Whereas, apocrine glands are concentrated in regions such as ear canals, armpits, etc.... Read More

Key Insights

• 😅 Sweat from apocrine glands causes body odor due to bacteria breaking down proteins.
• 💦 Chlorine in water dissipating overnight alters its taste due to carbonic acid formation.
• ❓ Tattoos are permanent because of the immune response and pigment absorption in the skin layers.
• 💦 Weight loss involves breaking down stored triglycerides into carbon dioxide, water, and energy.
• 🥺 Sunburn is caused by UVB radiation damaging skin cells and DNA, leading to inflammation and cell death.
• 🙂 Water is a universal solvent that can dissolve atmospheric carbon dioxide, leading to slight acidity if left open.
• 👨 The human body stores excess nutrients as fat for energy reserves.

Questions & Answers

Q: What causes body odor?

Body odor is caused by bacteria breaking down proteins in sweat produced by apocrine glands on the skin, resulting in an unpleasant smell.

Q: Why does water go stale overnight?

Water goes stale as the chlorine dissipates into the air overnight, altering the taste, and the formation of carbonic acid from dissolved carbon dioxide can make it slightly acidic.

Q: How do tattoos become permanent?

Tattoos are made permanent by the immune response to the tattoo needles, with macrophages eating colored pigment particles and fibroblasts absorbing larger particles in the dermis.

Q: Where does the fat go when you lose weight?

When losing weight, the body breaks down triglycerides stored in fat cells into carbon dioxide, water, and energy, which are then exhaled, excreted, and used for energy.

Summary & Key Takeaways

• Body odor is caused by bacteria breaking down proteins in sweat from apocrine glands.

• Water goes stale overnight due to chlorine dissipation and carbonic acid formation.

• Tattoos are permanent because of immune response and pigment absorption in the skin layers.