Evolution from scratch with added points

Chapter 225 0224 Vagus Nerve and Ultrasound

After spending a little money to get the magic tool for practicing martial arts, Chen Jue took a break and took online classes to learn new knowledge about the human body.

This morning I listened to a human anatomy course, focusing on content related to the [vagus nerve].

There are three types of neural networks in the human body, one is the sympathetic nerve, the other is the parasympathetic nerve, and the last third is the vagus nerve.

The first two belong to the autonomic nervous system and will only be briefly covered in this class.

As for the [vagus nerve], we will focus on it because it is the longest, most widely distributed, and most complex neural network in the human body.

It starts from the brain stem and medulla oblongata, enters the chest cavity and limbs through the neck, and spreads in the throat, heart, liver, spleen, lungs, kidneys, intestines and stomach, pancreas and almost all internal organs. It has many functions such as regulating digestion, heart rate, respiratory rate and so on.

Once vagus nerve damage occurs, the human body will usually show symptoms such as imbalance of physiological functions such as pronunciation, glossopharynx, and heartbeat imbalance.

And because it is a nerve extending from the brainstem, the [vagus nerve] is often called the "10th cranial nerve" by scientists.

It is obviously the main distribution of cranial nerves, but it is not in the brain. The main thing is a contrast.

As for the origin of the word "vague", it is taken from the Latin meaning of "wandering" and "confused".

Because the modern medical community has not fully understood the full function of the [vagus nerve].

It is only speculated that some of its functions have degraded during the course of human evolution. The entire medical community has not yet found a clue as to which functions have been degraded.

Just like the vestigial organs such as the [tail vertebrae] and [appendix] that Chen Jue learned before, they are all mysterious organs that have developed some known functions and also have a large "???" question mark, waiting. Excavations by posterity.

"Vagus?"

"Mainly focused on the distribution of organs and throat..." Chen Jue took notes seriously, and there was a faint sign of a flash of inspiration in his mind.

He felt that the [vagus nerve] should contain secrets that would be of great help to his practice.

However, the knowledge learned is not enough, and the understanding and exploration of one's own body are not thorough enough.

It's like a layer of window paper has been covered in front of your eyes, and you see something terrible behind it, and you want to pierce it, but you can't.

Such a hazy feeling really made him feel helpless.

I can only memorize this important knowledge point temporarily and wait for the next day to use it again.

As for the three-dimensional structure of the human body on [Pointing and Pointing], after listening to a class, a lot of "???" content notes related to [Vagus Nerve] were illuminated, which can be regarded as a small gain.

After attending class in the morning, Chen Jue went to the school cafeteria to help Principal Chu and helped make a few side dishes for a full meal.

According to Principal Chu's proposal, he plans to reuse the school cafeteria after the school is renovated.

Let students from a few villages further away also stay at school to eat together, so as not to have to worry about running around after school in the morning.

After all, the mountain road was rugged and difficult to walk, and the mouse was kidnapped. Principal Chu also began to pay attention to the safety of the students.

Regarding Principal Chu's proposal, Chen Jue and Wu Fang both nodded in agreement.

Many schools in poor areas have launched unique charity breakfasts and lunches a few years ago.

However, Yunzhai is too remote and backward. Chen Jue and the others didn't even have a decent stove before they came.

Coupled with the shortage of manpower, it is even more impossible to cook for the students.

"Principal Chu, let's do this."

"You go to the village and ask a few able-bodied villagers to help cook. I will figure out a way to deal with expenses and food." Chen Jue suggested generously.

Upon hearing this, Principal Chu immediately shook his head like a rattle: "No, no, no!"

"Obviously you have helped the school so much, I can't let you take any more money."

His original intention was to let the children who stayed at school bring their own lunch boxes and prepare their own materials. Just put it on the pot and steam it for a few bites before eating at noon.

After all, this is how most rural schools were built decades ago.

Who would have thought that Chen Jue would offer free lunches to schools in the city as soon as he opened his mouth!

If this opening is opened, it is impossible to determine how much money will be put into the school cafeteria in the future.

Principal Chu and many villagers were already very grateful when Chen Jue and Wu Fang came to help with education.

If they are asked to spend money to feed so many children, that would be greedy.

After all, half the grown-ups live in poverty.

If more than thirty students stay in school and eat and drink for free, the food expenses will be lost to the Yunzhai villagers whose per capita annual income is only a few thousand yuan.

"Principal Chu, this matter is settled! Just follow my arrangements."

"You are responsible for helping to find a few villagers with good craftsmanship. I am a picky person when it comes to food, so I can't do it if it doesn't taste good." Chen Jue saw Principal Chu's simple look of being at a loss, and immediately grinned and said directly.

You should know that according to the current compulsory education food fee label, each student in a rural school should not exceed 245 yuan per month.

Counting all 36 children in the class, the cost for a school year is less than 100,000 yuan.

And what is Chen Jue’s current income?

The traffic fee of [Unique Brother] alone has exceeded 2 million per month, not counting other unexpected incomes such as catching gold bricks.

For Chen Jue, paying for the food expenses of this group of primary school students was nothing more than a simple matter. He could make money by making a video.

"It just so happens that I have too much money and no place to spend it."

"Give the children extra meals and make up for the milk and eggs."

"You have to eat enough to have the strength to study! How can you do it if everyone is as skinny as bean sprouts?" After dinner, when he returned to the dormitory, Chen Jue expressed his inner thoughts and immediately received strong support from his girlfriend.

"Brother Jue, thank you!"

Taking advantage of the lunch break, Wu Fang locked the door with her backhand, and Wu Fang transformed into Teacher Wu, with a loving expression on her face, and took the initiative to enlighten Chen Jue on the protein nutrition he had just taken in the past few days.

Since he spent the whole afternoon in the dormitory, Chen Jue had no intention of doing strenuous exercise in the afternoon.

First, I live in the countryside and worry about not being able to keep up with my nutrition.

Secondly, it was also because I was injured while practicing [Longmen Iron Skill] in the morning, and my three-dimensional attributes temporarily declined. In this case, it is not suitable for high-intensity training.

So I took a nap to regain my energy.

After Teacher Wu went to class with a moisturized look on his face, Chen Jue put his hands behind his back to support his slightly sore waist and strolled to the underground cave more than ten miles away from Yunzhai.

Most of the drug trafficking case has been solved, the traces of corpses in the cave have been removed by the police, and the cordon outside the cave has been removed early.

However, because someone died unexpectedly inside, the villagers in several nearby villages avoided this place for fear of getting dirty things, so they were unwilling to go here.

The reason why Chen Jue came to the cave was because he was inspired by the prompts on the panel.

I plan to rely on a special environment to stimulate the evolution of my body's functions.

I slowly walked into the cave and took a few turns to reach the long and narrow tunnel where I was yesterday.

At this time, the light coming from behind has been completely cut off, and the entire environment is in darkness.

Chen Jue did not turn on the flashlight on his mobile phone, but relied on his evolved eyes to carefully examine the environment in the tunnel.

He discovered that after entering this 100% dark environment, his eyes could actually activate the night vision function just like active adrenaline.

It's just that the objects you see have no color, but appear in black, white and gray.

It's like wearing night vision goggles on your eyes.

"There is no natural light reflection, so the eyeballs cannot capture colors?" Chen Jue murmured softly.

He looked around and slowly walked to the position where he killed Hou Youzhi.

The brains and blood stains on the ground have been thoroughly cleaned by forensic doctors. Even the place where the arrow was shot in the distance has been dug away along with a piece of the rock wall.

Chen Jue walked over and stretched out his hand to dig it out, then gently scraped the rock wall with his hard fingers trained with a full-level iron sand palm.

A "Zila" sound echoed in the tunnel.

Chen Jue found that the texture of the rock wall was extremely soft and fragile, which should have been caused by long-term erosion by acidic water during the formation of the cave.

"No wonder it was penetrated by my arrow!"

"It has a lot to do with the material." Chen Jue muttered.

Once again, I scraped my hands on the rock wall.

The sound of "Zila" echoed continuously in the tunnel, slowly reaching the depths of the cave.

Not long after, a group of bats roosting inside flew out with a squeaking sound.

Chen Jue was startled by the sudden appearance of these bats at first, thinking he had touched something dirty.

After seeing clearly that it was just a group of bats, I breathed a sigh of relief.

However, hearing the weird squeaking sound that kept echoing in his ears and a strange vibration of the eardrum, Chen Jue's eyes suddenly widened!

Because the panel pops up a new prompt at this time:

——————

【Ding~】

[Under special ultrasonic stimulation, your hearing organs have been effectively exercised and your hearing has been enhanced]

[The auditory center located in the superior temporal gyrus of the brain began to actively respond to ultrasound waves with frequencies higher than 20,000 Hz. Nerve conduction in this area began to become active, and the auditory reflex was slightly improved. 】

[Physique attribute +0.01]

[Mental attribute +0.01] (End of this chapter)

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