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"Mom, dad, I love you guys, and you little sister," wrote Pipat Poti, 15, nicknamed Nick. "If I go out, please, take me to a pork barbecue place." I love you, dad, mom. "
The boys' coach, Ekkapol Chantawong, wrote to parents in group, promising to take care of them as best as he could.The parents had written to him, baduring him that they were not blaming him for the situation. [19659002] "Thank you all for your support," wrote the coach. "I deeply apologize to the parents."
He also wrote to his own family members – an aunt and her Grandmother – asking them not to worry about him too much. "Aunty, can you tell Granny to make vegetable juices and pork snacks?" I'm going to eat them when I go out. I love you all. "
– Muktita Suhartono, at Tham Luang Cave
Why a 15% oxygen level worries rescuers
On Friday, a commander of the Thai Navy SEAL said that the Oxygen level in boys The cavern was about 15% and was falling down.This is a concern because levels below 16% can cause depletion of oxygen, a condition known as d & # 39; Hypoxia
Under normal conditions, people breathe about 21% oxygen, 78% nitrogen and 1% argon carbon dioxide. humans may experience a range of health effects, subtle and other.
The US Federal Aviation Administration reports that hypoxia can cause headaches, nausea, drowsiness, rapid breathing speech and other problems, it may also lead to disability or, in extreme cases, death.
Hypoxia may be of concern in high altitude areas, or when an airplane loses atmospheric pressure.
The air in the caves tends to be good. According to Dinko Novosel, president of the European Cave Rescue Association, concentrations of carbon monoxide and low concentrations of oxygen would generally be of concern.
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