How do we know that our Stomach is Full? + more videos | #aumsum #kids #science #education #children

TL;DR

Our stomach communicates with our brain through hormones and nerves to tell us when we're hungry or full, and the inability to tickle ourselves is due to our brain predicting our own movements.

Transcript

It's AumSum Time Can you guess the title of my next video? Hurry up. Write your guess in the comments section below. How do we know that our stomach is full? Usually, our stomach and brain are constantly communicating with each other. With the help of hormones and nerves. So, when our stomach is empty and the glucose level in our blood is low. The ... Read More

Key Insights

• 🧠 Our stomach communicates with our brain through hormones like ghrelin and cholecystokinin to regulate hunger and fullness.
• 🧠 Tickling ourselves doesn't induce the same sensation because our brain predicts and recognizes our own movements.
• 😋 Dogs lick their wounds to apply saliva with antibacterial properties, but excess licking can be harmful due to pathogens in their saliva.

Questions & Answers

Q: How does our brain know when our stomach is full?

When we eat, the expansion of our stomach walls is detected by nerves, which signal the brain that we're full. Cholecystokinin released during eating also informs the brain of food consumption.

Q: Why can't we tickle ourselves?

Our brain is able to predict and recognize our own movements, so there is no surprise or threat. Therefore, the sensation of being tickled is absent when we try to tickle ourselves.

Q: Why do dogs lick their wounds?

Dogs lick their wounds to apply saliva, which contains antibacterial compounds like lysozyme that can kill certain bacteria and promote blood clotting. Licking also helps remove dirt from the wound.

Q: How do X-rays work?

X-rays are high-energy waves that can pass through many objects, but dense objects absorb the rays. In medical imaging, x-rays are used to detect fractures by passing through the body and creating an image where bones appear white.

Summary & Key Takeaways

• Our stomach produces the hormone ghrelin when it's empty, which travels to the brain to signal hunger. Stretching of the stomach walls when eating informs the brain that we're full.

• Cholecystokinin is another hormone released when we eat, which informs the brain that we're consuming food and not just drinking water.

• Dogs lick their wounds to apply saliva with antibacterial compounds and promote blood clotting, but excess licking can be harmful due to pathogens in their saliva.