Phần 1
Food is a favourite pastime for many, which is …(1)…because we need it to live. But what would happen to you and your body if you were to completely stop eating food, right now?
In the first 6 hours, all is fairly normal. Your body begins to break down glycogen – which stores …(2)…in your body - into glucose, which your cells use as fuel. Around 25% of …(2)…generated this way is used for your brain alone, while the rest goes to muscle tissues and …(3)…cells. But after about 6 hours this method of energy production halts as the glycogen stores deplete, which can lead to the notorious 'hangry' or hungry and …(4)…feeling that many of us know too well.
At this point [6-72 hours] your body enters a state called ketosis as it begins to fast or starve. Because there is very little glucose in your blood, your body must begin to break down fat for energy. This fat is in turn broken down into …(5)… However, your brain cannot use long chain fatty acids which...is a problem! Because there is no more glucose and the fats are too large to cross the blood-brain barrier, your brain changes …(6)…and begins to use ketone bodies for energy, which are short-chain derivatives of fatty acids.
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Từ mới:
pastime: trò tiêu khiển
muscle tissues: mô cơ
halts: dừng, lâm thời nghỉ
deplete: cạn kiệt
notorious: tất yếu, rõ ràng
fast: nhịn ăn
starve: bỏ đói
Phiêu Linh
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