"What happens when you exercise (2)" Our Body PPT Download

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"What happens when you exercise (2)" Our Body PPT Download

Part 1: Importing new lessons

Explore why your heartbeat speeds up

Today we are going to do an experiment. We are not only competing to see who is better at playing, but also competing to see who has gained more knowledge while playing. First, let me show you a video about exercise.

PPT on what will happen when you exercise, part 2: learning new lessons

Activity 1: Explore why the heartbeat speeds up

What changes occur in the body after exercise?

Discussion: What properties did we discover about compressed air through the experiment just now?

bouncy

Think about it:

What changes occur in the body after exercise?

Rapid breathing, sweating, rapid heartbeat, etc.

Activity 2: Explore the changes in heart rate before and after exercise

Heart model:

Please pay attention to solving the following problems while playing:

(1) What does the human heart look like?

(2) What is the heart doing when it keeps beating?

PPT on what will happen when you exercise, part three: conclusion summary

What did you gain from today’s study? Group discussions and exchanges, representatives speaking.

The heart rate of the human body increases significantly after exercise. The oxygen needed by the human body is inhaled by the lungs and enters the blood, and is then transported by the heart to various parts of the body through blood vessels. Waste products such as carbon dioxide are also collected and excreted from the body.

What will happen when you exercise? PPT, part 4: Classroom practice

1. Why does the heart beat faster during exercise? ( )

2. Myocardial contraction of the heart, blood (), myocardial relaxation, blood ().

3. The oxygen needed by the human body is inhaled by () and enters the blood, and then transported to various parts of the body by () through (). At the same time, waste products such as () are collected and excreted from the body.

What will happen when you exercise? PPT, Part 5: Homework assignments

Use the information we already have to analyze and estimate approximately how many times the heart can beat in a day.

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For more information about the PPT courseware "What will happen when our bodies move", please click the "What will happen when our bodies move" ppt tag.

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Update Time: 2024-11-17

This template belongs to science courseware Fourth Grade Science Volume 1, Textbook Edition industry PPT template

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