"Movement and Breathing" We exercise on campus PPT courseware 2

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"Movement and Breathing" We exercise on campus PPT courseware 2

Feel the breath

Method: Cover your nose with your hands, hold your breath, and pay attention to how you feel during the process of holding your breath.

From the study in the previous class, we know that breathing will speed up after exercise, but how do people breathe?

Ask students to experiment:

1. Cover your mouth and nose with a soft tissue and take deep breaths repeatedly. What will happen?

2. Put your hands on your chest, take deep breaths repeatedly, and feel it carefully.

3. Run quickly for a minute and then feel the process of breathing.

What methods are used to study how people breathe?

Put a soft tissue over your mouth and nose and take deep breaths repeatedly. What will happen?

discuss:

What is the process of breathing?

First, let me talk about the breathing process based on my own experience and common sense, and then read the following small information.

group discussion:

What respiratory diseases do you know about? What are the common respiratory diseases?

How should we prevent it?

Common respiratory diseases

1. Influenza

2. Tonsillitis

3. Acute bronchitis

4. Pneumonia

5. Tuberculosis

What happens to breathing after exercise?

Measure the number of breaths you take in 1 minute at rest before exercising;

Measure the number of breaths you take 30 seconds after jumping rope in place.

How much does the number of breaths increase after exercise? What about other students?

Guess: If you keep exercising, will the number of breaths per minute continue to increase?

Give it a try: What will happen if you skip rope for 1 minute, 2 minutes...?

What is the relationship between vital capacity and the number of breaths?

The greater the lung capacity, the _______ the number of breaths;

The greater the lung capacity, the _______ the number of breaths.

How to practice lung capacity

1. Jogging for 40 minutes every day, swimming, and blowing up balloons are all effective methods.

2. Take a deep breath, hold it in, see how long you can hold it in, and you will make progress every day.

3． Take a deep breath, make a "squeaking" sound from between your teeth, and let the breath out slowly to see how long you can hold on.

after school activities

Develop a long-term exercise plan. After every month of exercise, measure your vital capacity to see the effect of the exercise.

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"Movement and Breathing" We exercise on campus PPT courseware:

"Exercise and Breathing" We exercise on campus PPT courseware Human breathing is actually a process of gas exchange, absorbing oxygen, and expelling carbon dioxide and other gases from the body. Measuring the number of breaths in one minute 1. First measurement: A minute of calm breathing...

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Update Time: 2024-11-14

This template belongs to science courseware E-education edition fourth grade science volume 1 industry PPT template

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