Blood in the human body transports oxygen and nutrients to various organs through blood vessels all over the body, and takes away metabolic waste of cells. Without blood, all organs of the human body can't function normally and will die because of lack of oxygen. Its specific functions are:
(1) is an indispensable means of transportation in the body, carrying various substances in the body, such as oxygen and carbon dioxide, water, nutrients, metabolites and so on.
(2) It is the contact medium in the body. Hormones and chemicals with physiological functions in the body are transported to various organs and tissues through blood to play a role.
(3) It has a defense function, and the plasma contains a variety of immune substances, such as antitoxin, which can resist or destroy foreign bacteria and toxins, thus preventing the body from being infected with diseases.
(4) It has the function of maintaining pH and normal body temperature. If the average healthy person's blood loss at a time does not exceed 10% of the total blood volume, it will have little impact on the body. When a blood loss exceeds 20% of the total blood volume, it will have a serious impact on health; When it exceeds 30% of the total blood volume, it will be life-threatening. Because blood circulates in the cardiovascular system and flows all over the body. It maintains the connection between the whole body and the external environment, and also maintains the interconnection between organs and tissues. . . . . .
? How do we keep the blood system healthy?
1. Eat less greasy food and more fruits and vegetables.
Eat less oil, sugar and salt, and eat more fruits and vegetables. Vitamins rich in fruits and vegetables can help clean up blood waste and promote metabolism.
Strengthen exercise
Exercise more at ordinary times. Exercise can promote metabolism, so that the garbage in the blood can be excreted quickly, and it can make people feel happy, while relaxation can make blood pressure more stable.
avoid staying up late
Staying up late will not only accelerate aging, but also increase blood viscosity, so you can try not to stay up late if you don't stay up late. Especially at night 10 to 1 1, this is the period of liver detoxification, which is very important for human health!
stop smoking and refrain from drinking
Many people have long-term bad living habits, smoking and drinking, and the acquisition of various harmful substances will not only accelerate the pathological changes of blood vessels, but also change the blood state.
Nicotine, tar and other substances in tobacco not only reduce lung function, but also make blood vessels fragile, even make blood sticky and hinder circulation.
Drinking too much will stimulate blood vessels, affect blood pressure and may cause diseases. It is necessary to quit smoking and drinking and protect blood vessels.