"Major diseases threatening health" PPT courseware

"Major diseases threatening health" PPT courseware

Part One: Learning Objectives

1. Name the common causes of cardiovascular disease.

2. Name the main measures to prevent cancer.

3. Prevent the occurrence of cardiovascular diseases.

4. Commonly used measures for cancer treatment.

Study alone

1. In recent years, ________ has become a serious threat to the health of our people.

2. Cardiovascular disease is a disease caused by lesions of ____ and ____. ______ and ______ are both common cardiovascular diseases.

3. The blood circulation system includes ____, ____, ____ and ____, etc. The heart is mainly made up of ____, which is the "____" through which blood flows in blood vessels. The heart is the hub that connects ____ and ____ and is the ____ organ in the circulatory system.

4. At the base of the aorta, there are two arteries attached to the outside of the heart, namely ____.

5. Cancer, also known as ____, is a major disease that endangers life and health. Common cancers mainly include ____, ____, ____, ____, ____, ____, ____, ____, etc.

6. Carcinogens that cause cell canceration are mainly divided into ____, ____, and ____.

7. The main measure to reduce the incidence of cancer is ____.

8. The main methods of treating cancer are ____, ____, ____, and ____.

PPT on major diseases that threaten health, part 2: theme exploration

Explore theme one

Cardiovascular diseases

What is cardiovascular disease?

Cardiovascular disease is a disease caused by the heart and blood vessels.

Common ones include: hypertension, hyperlipidemia, coronary heart disease, arrhythmia, arteriosclerosis, myocardial infarction, angina pectoris, and sudden cardiac death.

coronary artery

The two arteries at the base of the aorta and attached to the outside of the heart are called the coronary arteries. It can transport oxygen and nutrients to the heart and transport metabolic waste away.

Common cardiovascular diseases

1. What is coronary heart disease? What are the main causes and how to prevent them?

Coronary heart disease: If coronary artery disease occurs, such as arteriosclerosis, narrowing of the lumen, etc., resulting in ischemia of the heart muscle, it is called coronary heart disease.

Main causes: high blood pressure, diabetes, smoking, high-fat diet and lack of exercise. Winter is the season when coronary heart disease is most common.

Prevention methods: Develop good living habits and improve prevention awareness

2. What is angina pectoris? How to perform self-rescue?

3. What is myocardial infarction?

Explore theme two

Cancer (malignant tumor)

Except for hair and fingernails, almost all tissues and organs in the human body are likely to become cancerous.

What cancers do you know about?

Pay attention to leukemia (blood cancer)

1. What do you know about “leukemia”?

2. Discussion: Why is bone marrow transplantation often used to treat leukemia?

3. If you were the person who matched the tissue type of a leukemia patient, would you be willing to donate bone marrow? Why?

What are the carcinogens that cause cells to become cancerous? How do cells become cancerous?

1. Physical carcinogens (X-rays, ionizing radiation)

2. Chemical carcinogens (nitrite, aflatoxin)

3. Viral carcinogens (hepatitis B virus, herpes virus)

PPT on major diseases that threaten health, part three: feedback in class

1. Among the following diseases, the disease that has become the "number one killer" that endangers human health is ( )

A. Lung cancer B. AIDS C. Cardiovascular disease D. Obesity

2. The location of cardiovascular disease lesions is ( )

A. Heart B. Blood vessels C. Heart and blood vessels D. Brain

3. What provides oxygen and nutrients to heart muscle cells ( )

A. Systemic circulation B. Pulmonary circulation

C. Coronary circulation D. Lymphatic circulation

4. Patients with angina pectoris should carry it with them ( )

A. Jiangyaling B. Asthma Ning C. Propranolol D. Nitroglycerin

5. Which type of cancer can be effectively treated with bone marrow transplantation ( )

A. Lung cancer B. Liver cancer C. Gastric cancer D. Leukemia

6. Cancer cells are originally transformed from normal cells. Which of the following is not a characteristic of cells after they become cancerous ( )

A. Divides very quickly B. Can invade adjacent normal tissues

C.Can be divided continuously D.Cannot be transferred

Keywords: Jiangsu Education Edition eighth grade biology PPT courseware for the second volume free download, PPT download of major diseases that threaten health, .PPT format;

For more information about the PPT courseware "Major Diseases Threatening Health", please click the "Major Diseases Threatening Health" ppt tab.

"Major diseases threatening health" PPT:

"Major diseases threatening health" PPT

Part One: Learning Objectives

Give examples of common causes of cardiovascular diseases and their preventive measures

Give examples of cancers with a high incidence rate in my country and the main measures to prevent cancer.

Pay attention to leukemia..