공통영어1 능률 민병천 3과 문장별 빈칸

Lesson 3 How Our Body Works

Timing is Everything

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

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

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

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

Well, the problem is that you exercised too ____ 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 system ____ your muscles.

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

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

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

I see. That makes sense. ____ does that mean I should exercise on an empty stomach?

No, it doesn’t. That can also be ____ and unpleasant.

This is because the body ____ energy to exercise.

The fuel ____ provides this energy is glycogen.

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

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

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

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

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

There can also be ____ serious outcomes.

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

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


Host

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

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

____ replaces the muscle glycogen you have lost.

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

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

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

That’s very interesting. But what about eating before we ____

Can you explain how long ____ should wait after eating?

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

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

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

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

____ type of exercise also matters.

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, ____ as golfing, waiting for one hour after a meal should be enough.

Clearly, ____ can wait less after eating a snack.

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

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


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