"Choose a healthy lifestyle" Understand yourself and improve your health PPT courseware 5

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"Choose a healthy lifestyle" Understand yourself and improve your health PPT courseware 5

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The improvement of modern living standards has changed people's lifestyles, which has brought various hidden dangers and profoundly, comprehensively and lastingly affected people's health. It is particularly important to guide students to recognize these problems early and choose healthy lifestyles to effectively control adverse effects.

A healthy lifestyle is an important way and method to spend adolescence healthily and prevent common contemporary diseases.

1. What is lifestyle?

Lifestyle refers to the various behavioral habits that people follow in their daily lives. Including eating habits, living habits, daily life arrangements, entertainment methods, and participation in social activities.

learning target:

Knowledge Objective: Recognize the impact of modern lifestyles on health by comparing causes of death in 1957 and 1999.

Ability goal: Through exploratory experiments, understand the impact of alcohol or tobacco on the heart rate of water fleas, and then understand the harm of alcoholism and smoking to human health.

Emotional goal: Understand that unhealthy lifestyles can affect human health. Develop and choose a good lifestyle.

2. The impact of lifestyle on health

1. Over the past 40 years, what changes have occurred in the main types of diseases that cause death among urban residents in my country?

In 1957, the top three leading causes of death among urban residents in my country were respiratory diseases, acute infectious diseases, and tuberculosis. In 1999, respiratory diseases ranked 4th, 7th, and 8th, and acute infectious diseases and tuberculosis ranked third. After the 7th position. On the contrary, in 1957, lifestyle diseases such as heart disease, cerebrovascular disease, and malignant tumors ranked 5th, 6th, and 7th among the causes of death, ranking 1st, 2nd, and 3rd.

2. Why does this change happen? What do these changes indicate?

Because diseases such as respiratory diseases, acute infectious diseases, and tuberculosis are mainly caused by poor living environment and nutritional conditions, cardiovascular and cerebrovascular diseases and malignant tumors are not only affected by genetic factors, but also mainly related to psychological factors such as stress and anxiety. , and related to unhealthy lifestyle.

Changes in causes of death indicate that as people's living standards improve, psychological factors and behavioral factors play a vital role in health.

Exploration: Effect of alcohol or tobacco extract on Daphnia heart rate

1. How to prepare alcohol solutions of different concentrations using 95% alcohol by volume?

Mix water in proportion to prepare x% alcohol solution. Take 1 part of 95% alcohol, then take 95/x-1 pure water, and mix.

For example: to prepare a 5% alcohol solution, take 1 ml of 95% alcohol and 18 ml of water to mix;

To prepare a 10% alcohol solution, take 1 ml of 95% alcohol and mix with 8.5 ml of water;

2. How to prepare tobacco leachate with different concentrations?

Soak cigarette tobacco in advance and dilute it with water in different proportions; or soak the same tobacco in different volumes of water.

3. How many groups of water fleas need to be set up? Why?

4. How to measure the heart rate of water fleas? What to do with the measured heartbeats in each group? Why?

3. Healthy lifestyle

1. Unhealthy lifestyle:

Smoking, alcoholism, overeating, partiality for smoked food, grilled, pickled, fried, high-fat and high-sugar foods, not sleeping at night, not waking up in the morning, surfing the Internet for a long time, playing cards day and night, lack of exercise, work-rest disorder, etc.

2. Scientific, healthy and civilized lifestyle:

Balanced diet, smoking cessation and alcohol restriction, proper exercise, psychological balance, regular work and rest, and rejection of drugs, etc.

3. Choosing a healthy lifestyle should start with children and teenagers

1. Modern civilization diseases are the main diseases affecting human health at present and must attract the attention of young people.

2. Although most chronic diseases occur in adulthood, many related unhealthy lifestyles are already formed in childhood and adolescence.

3. The age of patients with diseases of modern civilization has a tendency to gradually decrease.

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"Choose a healthy lifestyle" Understanding yourself and improving your health PPT courseware 6:

"Choose a Healthy Lifestyle" Understanding Yourself and Improving Health PPT Courseware 6 1. Learning Objectives 1. Understand the impact of lifestyle on health. 2. Understand the harm of alcoholism and smoking to human health. 3. Know what a healthy lifestyle includes. two,..

"Choose a healthy lifestyle" Understand yourself and improve your health PPT courseware 4:

"Choose a Healthy Lifestyle" Understanding Yourself and Improving Health PPT Courseware 4 The World Health Organization has formulated 10 standards for health based on the meaning of health: 1. Abundant energy, able to take on daily life and heavy work calmly without feeling overly nervous and fatigue. ..

"Choose a healthy lifestyle" Understand yourself and improve your health PPT courseware 3:

"Choose a Healthy Lifestyle" Understanding Yourself and Improving Health PPT Courseware 3 1. What is lifestyle? Lifestyle refers to the various behavioral habits that people follow in their daily lives. Including eating habits, living habits, daily life arrangements, entertainment methods, and...

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Update Time: 2024-09-06

This template belongs to biology courseware People's Education Edition Biology for Grade 8, Volume 2 industry PPT template

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