Definition and properties Melting point is a characteristic temperature at which a substance changes from solid to liquid state. At this temperature, the solid and liquid occur in equilibrium. A typical example is ice, which melts at 0 °C and becomes liquid water. The melting point is slightly dependent on atmospheric pressure, which is why … Melting Point
Introduction Sweat glands are normally called the so-called eccrine sweat glands, i.e. those sweat glands that are distributed over the entire body with a few exceptions. Their task is to secrete sweat, which makes an important contribution to the regulation of the heat balance of our body. Furthermore, there are the so-called apocrine sweat glands, … Sweat glands
Function of the sweat glands The function of the eccrine sweat glands is to produce the secretion that we generally know as sweat. Sweat is a clear liquid that is slightly acidic (the pH value is about 4.5) and salty. Sweat also contains electrolytes other than common salt and other substances such as fatty acids, … Function of the sweat glands | Sweat glands
Diseases of the sweat glands Important diseases of the sweat glands mainly affect the quantity of fluid secreted: if the production of sweat is completely absent, this is called anhidrosis, but if it is increased, this is called hyperhidrosis. Furthermore, benign tumors (adenomas) can also occur in the area of the sweat glands. Typical diseases … Diseases of the sweat glands | Sweat glands
How can sweat glands be removed? Excessive sweat production can be very stressful. Those affected are usually particularly uncomfortable with the unpleasant smell of sweat that develops, which in severe cases cannot be treated with deodorants. In some clinics, the surgical removal of the sweat glands is offered as a measure. This operation is usually … How can sweat glands be removed? | Sweat glands
Products Black salt is available in pharmacies and drugstores, for example. Structure and properties Black salt is a volcanic rock salt that comes mainly from India and Pakistan. Like ordinary table salt, it consists mainly of sodium chloride. In addition, it contains various impurities that give it a sulfurous odor and taste of boiled or … Black Salt (Kala Namak)
Products Various oral rehydration powder products are commercially available in many countries (Normolytoral, Elotrans, Oralpädon). The solution was developed in the 1960s. Structure and properties Oral rehydration solution contains water, glucose (dextrose), sodium, potassium, chloride, and citrate. Powder composition (excluding water, WHO-ORS): Anhydrous glucose Sodium chloride (table salt) Potassium chloride Trisodium citrate dihydrate Optional excipients, … Oral Rehydration Solution
Definition We know from everyday life that the same volumes of different substances do not have the same mass. A liter measure full of down is much lighter than a liter measure filled with sugar. Fresh snow is lighter than ice, and ice is slightly lighter than water, although they are all H2O. Density is … Density
Introduction Sweat is the watery secretion secreted by certain sweat glands of some parts of the body. Its function is to regulate body temperature and, through the sexual scents (pheromones) it contains, also to signal during sexual activity. Composition of sweat Sweat consists almost exclusively of water and salt. Other minerals found in sweat are … Welding
Sweat production The basic secretion (basic amount) of sweat, i.e. the amount of sweat that is always produced regardless of external conditions, is about 100 to 200 ml per day in humans. However, this volume can be strongly influenced by various factors and therefore vary. Causes for increased perspiration The most important stimulus for increased … Sweat production | Welding
The smell of sweat Normally, sweat is odourless or low-odour. Especially in summer, at very high temperatures, it can happen that you are soaked with sweat, but do not smell of it at all. The smell of sweat only occurs when the sweat breaks down. This also explains why fresh sweat is odorless and older … The smell of sweat | Welding
Welding hands Like feet, palms have a high density of sweat glands, so it is not surprising that sweaty hands are a common problem. This can even have a psychological effect, as affected people are ashamed of their sweaty hands when shaking hands, for example, or do not want to touch things like door handles … Welding hands | Welding
