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Latest website: In the confined space, the sound of breathing fluctuated continuously, deep and viscous, like a broken bellows.

In the dark, Bi Fang and Attenborough huddled and rested, slowing down the consumption of physical energy and calories. Only Tenzing continued to dig, digging along the rope, and his hands were almost numb from the cold.

It's not that Bi Fang is hypocritical. When the life and death of the team members are at stake, he still has to keep the whole process anaerobic to complete the task. The reason is that he is in pain almost all over his body now, and being able to dig out Tenzin has already drained his last bit of strength.

If you choose to inhale oxygen at this time, it will be impossible to complete the task or save people.

He really deserves to be the warrior of the third pole, the darling of the mountains.

Feeling the shadows shaking in the dark, Bi Fang couldn't help thinking.

The joke that Sherpas have a third lung lobe specially used for mountaineering is not groundless, but it is genetically determined that they can adapt to the alpine environment better than ordinary people; their blood pressure is very low, ensuring sufficient blood supply to the brain , the muscles are stretched and powerful; compared with the legs, their torso is longer, in order to ensure a stable center of gravity in the rugged mountains.

"Mr. Bi, Mr. Attenborough?"

"exist."

Getting dizzy.

There is so little oxygen in the air that every breath is ineffective. No matter how hard the alveoli try to expand, the oxygen cannot be filtered out. The blood flow becomes slower and slower.

The silent darkness made people panic. At this moment, Bi Fang couldn't restrain his panic. This was not fear, but a physiological behavior caused by hypoxia, which was difficult to overcome simply with mental strength.

If only there was light.

At the moment of being hit by the wind and snow, apart from the backpack fixed on his back, his, Sir, Tenzing's headlights had already been washed away, and I don't know where they fell. If there was a light at this time, it would not be like it is now.

The lungs rose and fell, Bi Fang took a deep breath again, the oxygen in the air was further squeezed, and the carbon dioxide concentration increased.

Bi Fang, who has regained his calmness, made a preliminary diagnosis for himself. The arm is completely out of power, and the muscles have spasms, stiffness, or a slight strain. The strain is troublesome. It is not easy to heal in a short time. I hope it is just a simple relief .

If you don't go out again, maybe the carbon dioxide poisoning will kill you.

It's not just carbon monoxide that can be poisoned, carbon dioxide can as well.

Under normal circumstances, the carbon dioxide content in the exhaled air of the human body is 4.2%, and the partial pressure of carbon dioxide in the blood is higher than the partial pressure of carbon dioxide in the alveoli.

However, once the carbon dioxide concentration in the environment increases, the concentration in the alveoli will also increase, and the pH will change drastically at this time, thereby stimulating the respiratory center, eventually leading to paralysis of the respiratory center and causing the body to suffer from hypoxia and asphyxia.

"Damn, how could there be an avalanche."

Bi Fang raised his head and slammed his head against the snow wall, unable to understand anything in his heart.

Perhaps feeling the change in the atmosphere, Tenzing called out in a low voice, "Mr. Bi, Mr. Attenborough, are you all okay?"

This is already Tenzing's thirteenth question. He asks it every half a minute. Just when Bi Fang wanted to answer the same way as before, an indescribable feeling of comfort appeared on his body. One cell cheered, as if...

Oxygen concentration increased!

Bi Fang suddenly sat up and expanded his lungs again. Yes, yes, the oxygen concentration in the air has increased! Not an illusion!

Going to dig out?

No, Tenzing was digging along the ropes, no one was buried?

impossible?

With doubts in his heart, Bi Fang followed the rope to Du Tenzin's side: "Tenzin, keep digging, hurry, keep digging!"

Tenzing looked stunned, but the movement of his hands did not stop. He continued to dig, and large chunks of snow were thrown out.

Digging and digging, Bi Fang was keenly aware that the oxygen concentration in the air seemed to have risen a little.

"What's the matter, Mr. Bi?"

Tenzin was inexplicable, and for some unknown reason, Bi Fang suddenly reacted.

Bi Fang didn't answer, he put his hands on the snow in front of him and pushed them violently.

Suddenly, the snow layer in front of everyone collapsed suddenly, a large amount of snow dust splashed, the air circulation swept up a breeze, and fresh air rushed in.

Dig through! ?

Tenzing and Attenborough, who was in a semi-conscious state, widened their eyes. Although they couldn't see anything in the darkness, they were keenly aware of the air circulation.

Out! ?

No, no.

Bi Fang looked around at the darkness in front of him. The sky on Mount Everest was very clear. If he went out, it would never be as dark as it is now.

This is an internal "vacuum".

Bi Fang recalled the scene when the avalanche occurred, and gradually simulated the scene at that time.

Taking a breath, relieved the dizziness caused by the lack of oxygen, Bi Fang explained: "When the avalanche happened, everything was quickly submerged, but the shape of the eagle head ice **** was too unique, and the torrent washed away a part of the space in the rock. "

Just like a plane crashing into the sea and being quickly wrapped by the sea, the air in the cabin will be squeezed to the point where it cannot flow out from the top of the cabin, forming a breathable area.

Eagle Head Bingbo's eagle head soared into the sky, but turned its back to the direction of the avalanche, and the torrent washed down. It was really like an eagle protecting the last living space under the avalanche!

Just as Attenborough and Bi Fang sighed at the incredibleness of it, Tenzing's cry rang out in the darkness.

"Mr. Bi, there are other people here! Lamaqin! Lamaqin! It's a mountain god, a mountain god! Lamaqin! Lamaqin!"

anyone?

Bi Fangqiang stood up, and suddenly, a dazzling light came on.

Bi Fang quickly covered his eyes.

Tenzing, who picked up the headlamp, also realized that what he was doing was wrong and quickly turned down the lamp.

After finally getting used to the dazzling headlights, Bi Fang slowly opened his eyes. In the small space, Yao Jun, Rob, and Jarret are all here!

"It's all right, UU reading www.uukanshu.com everyone is fine!"

Tenzing was obviously a little excited, but the next moment, his mood was much lower, "It's a pity Uncle Holt and Uncle Leza, they shouldn't have escaped, I don't know what's going on now."

Attenborough comforted the young man: "It's all instinctive reactions, there is no right or wrong, don't worry too much, the mountain **** will bless them."

Bi Fang coughed twice, came to Yao Jun and others, and checked them one by one.

They were still breathing, and their breathing was normal, but they fell into a coma for a short time.

He took out oxygen cylinders from their backpacks and brought them to them. Bi Fang rummaged through Rob's backpack and successfully found a small radio.

call.

Bi Fang, who found this thing, breathed a sigh of relief.

Fortunately, it is still there. With this thing, even if they can't dig it out, they can wait for rescue with confidence.