Similarly, when the body enters the water above body temperature, the body function will dilate the subcutaneous blood vessels and accelerate the blood circulation, while the blood at the core of the body will move to the body surface and release the heat in the body. The result is effective promotion of blood circulation.
Bathing effect 2: promote sweating and discharge toxins. Although healthy skin is not as good as sauna, running in the bath will also sweat a lot. This is the same as the process of promoting blood circulation, and it is also the heating effect of hot water. Although the heat in the body wants to be discharged from the body after the subcutaneous blood vessels dilate, the temperature of hot water and the temperature in the city are higher than the body temperature, so that the body surface temperature is heated by the outside world and recycled into the body, further raising the body temperature. So the body will sweat, thus lowering the body temperature. At this time, sweat, waste in the body and garbage in pores are completely discharged, thus playing a role in beautifying the skin.
Bathing effect 3: relax. When your body completely enters the bathtub, the displacement of your body makes your weight lighter. This is the famous Archimedes theorem.
If you soak your body in the bathtub and let it overflow to your neck, the weight of your body will become about one tenth of your weight. If you subtract the weight of the head, the weight below the neck is only 4-5 kg. Freeing the body from the weight can achieve the relaxation effect of relieving muscle tension.
When immersed in 37-39℃ hot water, parasympathetic nerves in human autonomic nerves will play a major role. One of the functions of parasympathetic nerve is to put the body and mind into a state of rest, so people's body and mind will be relaxed.