Body Health

When you breathe in, oxygen enters the lungs and is released into the blood. The blood distributes oxygen throughout the body and carries carbon dioxi...

When breathing, a distinction is made between chest breathing and abdominal breathing. In chest breathing, the ribs are lifted by muscles, the chest s...

Air is a gas mixture consisting mainly of nitrogen, oxygen and carbon dioxide. In the course of respiration, oxygen is consumed and carbon dioxide is ...

The human diet can be varied, fruit, vegetables or meat. Nevertheless, almost all foods contain similar components such as protein, fat or sugar (carb...

Starch (a carbohydrate) is an important source of energy for humans. Starch is absorbed through food (mainly cereal-based products). The starch on man...

The heart is a vital organ. It consists of two pumps working at the same time, which keep different circuits going. The heart pumps blood to all parts...

Proteins serve as building materials for the construction and growth of the body. Therefore, especially the food for children and adolescents must con...

Starch is only produced by plants and is therefore mainly found in cereal products or potatoes. One of the most important nutrients in our food is sta...

Sugar is an essential ingredient in our food. Sugar belongs to the carbohydrates, is solid and can be dissolved very well in water. Sugar" is und...

Not all substances are soluble in water. For example, some substances can only be dissolved in "oils or liquid fats" (these substances are c...

Starch is a carbohydrate that is also found in human food. Starch is used, for example, for thickening food, because starch swells in warm water. Star...

Humans have several different types of bones, which differ in structure and function. On the one hand, the bones differ in length, on the other hand i...