Chapter 802

At the end of class in the morning, Li Yundong went to the canteen for dinner as usual. When he was lining up, he heard Feng Na greet him behind him: "Li Yundong!"

Li Yundong turned his head and greeted her with a smile.

The two men cooked and sat down at the table with a plate. Feng Na smiled and said, "by the way, I forgot to tell you another thing this morning."

Li Yundong said, "what's the matter?"

When Feng Na saw Li Yundong eating, she chewed carefully and swallowed slowly. Each mouthful of rice had to be chewed for a long time before she swallowed it slowly. Her actions were gentle. She didn't seem to be a big man. She asked curiously, "when did you become so gentle when you eat?"

Li Yundong was stunned. Only then did he react that he had fully integrated into the role of a practitioner. When eating, he subconsciously remembered what Ziyuan had said.

He smiled and asked Feng Na what Ziyuan had said: "you say, why do people chew and swallow slowly?"

Feng Na saw Li Yundong ask herself in turn. She lifted the tip of her hair hanging in her ear and said with a smile: "I'm afraid I can't digest it?"

Li Yundong nodded and smiled and said, "there's nothing wrong, but why can't you digest? If food goes into the stomach, it will be digested sooner or later!"

Feng Na said, "if you chew more carefully, it is more conducive to gastric digestion and duodenal absorption!"

Li Yundong raised a finger and said, "you're only a little right! Come on, let me ask you again, how does the stomach digest food and how does the intestines digest food?"

Feng Na said without hesitation: "don't you know? Rely on the peristalsis of gastric juice, gastric sac and intestines!"

Li Yundong nodded and said, "yes, gastric juice can dissolve part of the food, and then digest the food through the friction and extrusion of gastric sac, and so is the intestinal tract. But do you know what the stomach depends on to wriggle?"

Feng Na thought for a moment and said, "gastric power?"

Li Yundong said with a smile, "you've seen too many advertisements!"

Feng Na said with a smile, "what's that?" she tilted her head and thought. Her eyes brightened and said, "by the way, I know, it's blood?"

Li Yundong nodded: "yes, do you know what blood depends on to drive walking?"

Feng Na didn't know. She shook her head and said, "I don't know."

Li Yundong said: "it's Qi! The so-called Qi and blood, Qi is the commander of blood! Without the command of Qi, blood can't go anywhere! Sometimes people commit hypertension, heart disease and other diseases. Most of the cases are caused by the sudden short breath and the inability of blood arch, which leads to sudden diseases."

Feng Na suddenly said, "Oh, so it is, but does this have anything to do with chewing and swallowing?"

Li Yundong still didn't answer the rhetorical question and said, "how long can you breathe in one breath?" then he demonstrated himself and did a breathing action.

Feng Na also did an inspiratory movement with Youmo. She didn't breathe out until she couldn't breathe any more.

Li Yundong smiled and asked, "can you breathe in indefinitely?"