Human Blood Circulation

The circulatory system reaches into almost every corner of the body to supply cells with oxygen and nutrients. Find out here why bottlenecks sometimes occur and what helps blood circulation get going. For humans, the circulatory system is both a supply and disposal system: it transports oxygen and nutrients to the tissues and organs and … Human Blood Circulation

Biopsychology: Treatment, Effects & Risks

Biopsychology seeks to explain human behavior and experience and to view them in a biological context to the body. What is biopsychology? Biopsychology attempts to explain human behavior and experience and view them in a biological context to the body. The processes in the brain and central nervous system play a major role in biopsychology. … Biopsychology: Treatment, Effects & Risks

Megakaryocytes: Function & Diseases

Megakaryocytes are the precursor cells of platelets (blood thrombocytes). They are located in the bone marrow and are formed from pluripotent stem cells. Disorders in platelet formation lead to either thrombocythemia (uncontrolled platelet formation) or thrombocytopenia (decreased platelet formation). What are megakaryocytes? Megakaryocytes, as hematopoietic cells of the bone marrow, are the precursor cells of … Megakaryocytes: Function & Diseases

Heart Pain: Causes, Treatment & Help

Many people suffer from heart pain. Those affected notice these impairments to a greater or lesser extent at short or longer intervals. This contributes to the fact that the vast majority do not consult the doctor immediately in case of heart pain. What is heart pain? Heart pain is reported by sufferers as either painful … Heart Pain: Causes, Treatment & Help

Blue Fingers: Causes, Treatment & Help

Most people associate the appearance of blue fingers with cold. However, this does not have to be involved in the discoloration. Affected people should see a doctor. Often, the discomfort is not only unpleasant, they can also indicate diseases. What characterizes blue fingers? Often, blue fingers are due to a lack of oxygen or bruising. … Blue Fingers: Causes, Treatment & Help

Hawthorn: A Plant for the Heart

Hawthorn leaves and flowers promote blood flow to the heart and coronary arteries and increase the power of the heart without harmful side effects. The ingredients of hawthorn (Crataegus laevigata) also protect the heart from the effects of stress. Today, hawthorn tea is considered the best remedy for declining performance of the heart, especially in … Hawthorn: A Plant for the Heart

Fåhraeus-Lindqvist Effect: Function, Tasks, Role & Diseases

The Fåhraeus-Lindqvist effect is a blood flow phenomenon based on erythrocyte fluidity and related to blood viscosity. Viscosity is lower in vessels of the circulatory periphery with a narrow lumen than in vessels with a higher lumen. The Fåhraeus-Lindqvist effect primarily prevents blood stasis in capillaries. What is the Fåhraeus-Lindqvist effect? The Fåhraeus-Lindqvist effect is … Fåhraeus-Lindqvist Effect: Function, Tasks, Role & Diseases

Catecholamines: Function & Diseases

Catecholamines are biogenic amines and perform important functions as neurotransmitters and hormones. The best-known substances from this group are the stress hormones epinephrine and norepinephrine. When the adrenal medulla is underfunctioning, an undersupply of catecholamines sets in, accompanied by fainting spells. What are catecholamines? Catecholamines are biogenic amines that appear particularly as neurotransmitters. They originate … Catecholamines: Function & Diseases

Thermoregulation: Function, Tasks, Role & Diseases

With thermoregulation, the human body maintains an ambient body temperature of 37 degrees Celsius. Metabolism, as well as muscles and oxygen transport, depend on this temperature. Thermoregulatory disorders present themselves, for example, in heat stroke. What is thermoregulation? With thermoregulation, the human body maintains a body temperature of 37 degrees Celsius, independent of the environment. … Thermoregulation: Function, Tasks, Role & Diseases