공통영어1 능률 민병천 3과 문장별 빈칸

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 ____ is here, and she is going to share some useful tips.

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

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

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

This can cause ____ stomach issues.

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

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

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

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 ____ full of food.

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

No, it doesn’t. That can ____ 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 ____ body, such as the muscles 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 ____ such a challenge.

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

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

There can also ____ more serious outcomes.

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

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


Host

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

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

This replaces ____ muscle glycogen you have lost.

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

Let’s do ____ math. If 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 ____ of white rice or three bananas.

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

Can you explain how long ____ should wait after eating?

Well, as I said before, exercising right ____ 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 ____ eat before you exercise varies from one to three hours.

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

The type of exercise ____ matters.

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

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

____ you can wait less after eating a snack.

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

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


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