What is health? Health refers to physical health, mental health and good social adaptability.
Where is the heart in the human body? The heart is located in the middle of the human chest to the left, sandwiched between the lungs. My heart is about the size of my fist.
What function does the heart have? The heart is the power organ of blood circulation. It is like a blood pump, which continuously contracts and relaxes and transports blood to all organs of the whole body.
How to pay attention to heart health care? 1, exercise regularly to enhance myocardial contractility; 2. Do not smoke; 3, low-fat diet, weight control, prevention of arteriosclerosis, coronary heart disease; 4, happy mood, adequate sleep, work and rest.
Where is the lung in the human body? The lungs are located on both sides of the heart in the chest cavity and are divided into left and right lungs.
What function does the lung have? The lung is the respiratory organ of the human body, inhaling oxygen and exhaling carbon dioxide for gas exchange.
How to pay attention to the health care of the lungs? 1, no smoking, smoking can cause lung cancer, bronchitis and emphysema; 2, often open the window, wet washing, keep the indoor air fresh; 3. Use a range hood in the kitchen: 4. Pay attention to keep warm to prevent colds and lung infections; 5, regular exercise, enhance respiratory function and vital capacity.
Where is the liver in the human body? The liver is located in the upper right part of the abdominal cavity.
What is the function of the liver? The liver is the "chemical factory" of the human body: 1, which can secrete bile; 2. Processing and utilizing nutrients absorbed from the intestine; 3. Detoxify various harmful substances in the human body and excrete them.
How to protect the liver? 1, do not drink; 2. Do not eat moldy food; 3. Don't abuse drugs; 4. Actively prevent viral hepatitis.
Where is the stomach in the human body? The stomach is located in the upper left of the abdominal cavity.
What are the functions of the stomach? 1, the stomach is a "warehouse" for temporarily storing food; 2. Preliminary digestion of protein in food; 3, gastric acid has a certain bactericidal effect.
How to pay attention to the health care of the stomach? 1, eat regularly and quantitatively, don't overeat; 2. Do not smoke or drink; 3, eat less pickled, smoked and fried foods, otherwise it is easy to suffer from gastric cancer; 4. Pay attention to the combination of work and rest, be optimistic and cheerful, and prevent ulcers.
Where is the kidney located in the human body? Kidney, commonly known as "kidney", is located on both sides of the back, one on the left and the other on the right.
What function does the kidney have? Kidney is a "factory" for making urine, and metabolites and harmful substances in the body are excreted through urine.
How to protect the kidneys? 1, drink plenty of boiled water; 2. Don't urinate; 3. Pay attention to vulvar hygiene (especially for women) to prevent urinary tract infection; 4. Prevent upper respiratory tract infection and nephritis.
What is mental health? Mental health performance: 1, normal intellectual development; 2. Have self-knowledge; 3. Have good interpersonal relationships; 4. Always keep a stable and optimistic mood.
How to maintain emotional stability and happiness? 1, can correctly understand and evaluate yourself; 2. Love life and have confidence in the future; 3, good at forbearance and restraint, generous to people, and indifferent to things; 4, can calmly deal with emergencies such as happiness and sadness.
How to correctly handle interpersonal relationships? 1, strengthen ideological and moral cultivation and maintain psychological balance; 2. Cultivate a good personality that respects others and sincerely helps others; 3. Understand each other in everything and put yourself in each other's shoes; 4. Dare to uphold the truth and uphold justice.
How many times must I brush my teeth every day to maintain oral hygiene? Brush twice a day, once in the morning and once in the evening. Brushing your teeth before going to bed at night is more important than brushing your teeth in the morning. Brushing your teeth at night can keep your mouth clean for the longest time. Don't eat food after brushing your teeth
How to brush your teeth correctly? The correct brush method is vertical brush, and it is forbidden to brush horizontally like a saw. Vertical brushing method: brush the upper teeth from top to bottom, brush the lower teeth from bottom to top, brush the occlusal surface back and forth, both inside and outside, and brush your teeth for 3~5 minutes at a time. Horizontal brushing can cause some dental diseases, such as gingival atrophy, root exposure, tooth neck defect and so on. A toothbrush should be a healthy toothbrush with a small head, soft hair and a suitable handle.
What is dental caries? Dental caries, commonly known as tooth decay, refers to the destruction, softening and cavity formation of hard tissue of teeth, which eventually leads to crown defect.
How to prevent dental caries? 1, insist on brushing your teeth in the morning and evening, rinse your mouth after meals, and master the correct brushing methods; 2. Use fluoride toothpaste; 3. Do not eat snacks before going to bed; 4, reasonable nutrition, not picky eaters; If you find any tooth decay, please find a doctor to repair it in time.
What is periodontal disease? Periodontal disease, commonly known as gum moxibustion, can lead to tooth loosening and repeated infection and inflammation of periodontal tissue.
How to prevent periodontal disease? 1, insist on brushing your teeth correctly in the morning and evening; 2. Go to the hospital regularly to wash teeth and remove dental calculus; 3, not partial eclipse, eat more coarse grains and foods containing more cellulose.
What is the relationship between "two wants and two don't want" and eye hygiene? (l) Second: 1, the reading and writing posture should be correct, keeping "one foot, one punch and one inch", that is, the eyes are one foot away from the book, the body is punched from the table edge, and the fingers are one inch away from the pen tip; 2. Read and write for an hour or so, take a rest, or overlook. ② No: 1. Don't read or write in too dim light or direct sunlight; 2. Don't read while lying down, walking or riding a bike.