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Both systems regulate the functioning of the organism. The nervous system uses neurons and the endocrine uses chemicals called hormones.
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There are almost 40 different dialects in the UK, with totally different accents. The best known are:
1. Escocés: Edimburgo y Glasgow
2. Geordie: Newcastle
3. Scouse:Liverpool
4. Yorkshire: York, Leeds y Sheffield
5. Galés: Cardiff, Bristol -
The function of the circulatory system is to transport nutrients, oxygen and hormones to the various tissues.
The main structures are: Heart, arteries, veins, capillaries and blood. -
The heart and blood vessels make up the circulatory system.
The heart pumps blood throughout the body, transporting oxygen to the cells, through the blood vessels. Arteries carry blood from the heart to the resty of the body, and veins carry blood from the body to the heart. -
It is a network of tissues and organs, mainly made up of lymph, which is a liquid that contains white blood cells that defend the body from germs and that are transported through the lymphatic vessels.
The lymphatic system eliminates the infection and maintains the body's fluid balance. -
April 22 is celebrated around the word on Earth day. A day to become aware of all the problems that put pur planet at risk. It is a day to pay homage to the Earth and recognize it as our home and our mother, demonstrating the interdependence between ecosystems and the living beings that inhabit it.
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The World Health Organization proclaimed the last week of April as World Immunization Week.
It aims to promote vaccination to protect people of all ages against disease. -
The most important thing to defeat the Covid-19 in theexistence of a vaccine and that this allows us to have a life like we had before the arrival of this coronavirus.
Scientists from around the world have left other investigations to focus on the search for the vaccine for the Covit-19.
In Spain there are about 300 studies in progress and it is expected that by the beginning of the year 2021 a vaccine will be available. -
Every May 9 Europe celebrates la Paz and the unity of the continent.
The origin of this day we owe to Robert Schuman (1950) who defended the end of wars in Europe.
This year, the institutions of the European Union paid tribute through online activities to the many Europeans who have contributed to our union overcoming the coronavirus crisis. -
There are mainly three types of tests to detect if a person is or has been infected with Covid-19:
1- PCR is the most reliable. Detects and quantifies the virus.
2- Two types of rapid tests: One is done by drawing blood and the other through the mucosa. These test have a degree of sensitivity of between 64 and 80 percent. -
The excretory system removes from our body the waste produced by cellular activity. These residues are dissolved in the bood and are eliminated outside by the excretory system.
It is made up of the urinary system: kidneys, ureters, bladder, and urethra; and the sweat glands, responsible for eliminating sweat. -
Many natural plants are the basis of medicines used to cure ailments.
Was willow bark extract used for fever, pain and inflammation. Hippocrates was already using it as a remedy. From the allicins they discovered the aspirin used worldwide. Other medicines obtained from natural plants are antitumor, corticisteroid, antibiotics and morphine. -
The goal of dialysis is to eliminate waste products and excess fluid, correct electrolyte imbalances and correct body ph, replace the function that the kidneys cannot do.
In dialysis, a membrane separates the blood from the dialysis fluid, this membrane allows the passage of a substance, but others do not clean the blood of waste products that cannot clean the diseased kidneys.
