공통영어1 능률 민병천 3과 빈칸 문제

Lesson 3 How Our Body Works

Timing is Everything

Welcome back to Today’s ____. Today we’re going to be talking about exercise.

Dr. Victoria Hill is here, and she is going to share some useful ____.

So, Dr. Hill, let’s start with a question about my experience last ____.

I worked out right after dinner and ____ a stomachache. Why did that happen?



Dr. Hill: Well, the problem is

Well, the problem is that you ____ too soon after eating.

This can ____ various stomach issues.

____ you eat, blood rushes to the digestive system to help break down the food and absorb its nutrients.

But when you start to exercise, blood moves from the digestive ____ to your muscles.

This happens in order to supply your muscles with the oxygen and nutrients they ____.

As a result, the ____ process is paused until the blood returns.

So, whether you’re lifting weights or going for a jog, you shouldn’t do it with a stomach full of ____.



Host: I see. That makes sense.

So, does that ____ I should exercise on an empty stomach?

No, it ____ That can also be harmful and unpleasant.

This is because the ____ needs energy to exercise.

The fuel that provides this energy is ____.

Carbohydrates in the ____ we eat are broken down into a kind of sugar called glucose.

When this glucose is stored in parts of the body, such as the ____ and the liver, it is called glycogen.

This is why exercising on a completely empty stomach—such as when you first wake up in the morning—can be such a ____.

Your ____ sugar levels are low, and you don’t have enough glycogen stored in your body.

If you exercise on an empty stomach, you will most likely lack ____ and feel unusually tired.

There ____ also be more serious outcomes.

Some ____ end up suffering from nausea and headaches, and others even faint.

This is because intense exercise ____ up all the glycogen in your muscles.



Host: So, is it the loss of glycogen

So, is it the loss of ____ that causes us to have low levels of energy?

That’s correct. For this reason, doctors recommend that people eat food containing carbohydrates within ____ minutes after working out.

This replaces the muscle ____ you have lost.

Basically, you need between one and one and a half grams of carbohydrates for every kilogram you ____.

Let’s do the math. If you ____ 60 kilograms, you should try to consume between 60 and 90 grams of carbohydrates after you exercise.

This is equal to ____ one bowl of white rice or three bananas.



Host: That’s very interesting.

But what about ____ before we exercise?

Can ____ explain how long we should wait after eating?

Well, as I said before, exercising right after you eat will ____ feelings of discomfort.

But, if you wait too long to exercise after eating, you’ll suffer from a ____ of energy.

The best time to eat before you exercise varies ____ one to three hours.

Basically, it depends on several factors ____ as the type and amount of food as well as body size, age, and gender.

The type of exercise also ____.

For extremely active exercise like ____, I suggest that you wait between one and a half and three hours after eating a moderate-sized meal.

But for something more casual, such as golfing, waiting for one hour after a meal ____ be enough.

Clearly, you can wait less after eating a ____.

Thank you very much for this fascinating ____, Dr. Hill.

I’m sure it will be very helpful for all of our ____.



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공통영어1 YBM 박준언 3과 빈칸문제

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