Dietetics
Dietetics is the science of rational human nutrition, combining the knowledge of such sciences as: biology, biochemistry, physiology and pathophysiology, clinical medicine, hygiene, preventive health care, food technology and food preparation techniques. Dietetics studies the role of nutrients in metabolism...
Healthy eating pyramid
The Healthy Eating Pyramid is a set of practical recommendations for the compilation of nutritional portions of food products in a daily, balanced diet. The summary is presented in the form of a graphic pyramid, the levels of which define product groups and their quantities. The healthy eating pyramid has been...
Adult nutrition
Nutritional demand in different periods of human life depends on the changing dynamics and balance of metabolic processes. The period of childhood and development is characterized by the predominance of anabolic changes over catabolic ones. In adulthood, in a healthy person, there is...
Water pollution
Water purity is undoubtedly a problem on a global scale. In developed countries, not only is drinking water directly from the rivers out of the question, but also the quality of tap water is often questionable due to the contamination of rivers...
Alcohol related problems
Alcohol is the cause of many different social and health problems, the prevalence of which is closely related to the amount of consumption. The actual consumption of alcohol in Poland has been estimated in recent years at 9,5-10 liters. 100% alcohol per capita...
Alcoholism
Alcohol is a narcotic substance that strongly affects the psyche, functioning of the body and human behavior. It is known and drunk around the world, which does not mean that it is a healthy and recommendable substance. Alcohol addiction...
Nucleotide sequence
Nucleotide sequence - The order in which nucleotides are arranged in a DNA or RNA nucleic acid molecule (e.g. AGCCAGG). Reading Frame - Each DNA nucleotide sequence can be read in one of three reading frames: for example, ...ACGCCAGCGCCGA... can be read as ...ACG...
Adaptation of the earthworm to life in the soil
Text has been removed due to copyright! Sorry for the problems... Body build. The structure of the earthworm shows adaptation to life in the soil: - The elongated shape of the body and the wedge-shaped front allows it to move in the cracks of the soil...
Man is an effective predator
Meat food is one of the most important human foods. Man today breeds animals, but also kills them in the form of hunting. People have invented many useful tools that make it easier to catch an animal. The man led...
Respiratory system
Breathing is one of the body's most important functions and a fundamental manifestation of life. The main task of respiration is to provide oxygen to the cells, in which the combustion of organic substances occurs with its participation. This process provides the body with the energy it needs to...
Forests – the highest organized ecosystem
Forests form the most highly organized ecosystems, in which the processes of using solar energy and accumulating products of photosynthesis and neutralizing pollution reach a very high level. Thanks to the processes of photosynthesis, forests replenish oxygen reserves in the atmosphere, and bind carbon dioxide...