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Erythrocytes, also known as red blood cells, are the most important blood cells that make up the majority of all blood cells. They are responsible for transporting oxygen from the lungs to all body tissues and transporting carbon dioxide back to the lungs. Erythrocytes are anucleated and have a red color due to hemoglobin, which is a protein capable of binding to oxygen molecules. They are formed in the bone marrow and live for about 120 days, after which they are destroyed and replaced by new erythrocytes.
The coronavirus is a large family of viruses that includes many different viruses that can cause disease in both humans and animals. In the human body, these viruses can cause a variety of respiratory illnesses, from mild, similar to the common cold, to severe infections such as Middle East Respiratory Syndrome (MERS) or Severe Acute Respiratory Syndrome (SARS).
Anaphylactic shock is the strongest and usually life-threatening reaction of the immune system resulting from contact with a specific allergen to which the body has already been sensitized. This reaction takes place thanks to the activation of mast cells and basophils, which, when confronted with an allergen, begin to massively release various substances, including histamine.
Spray antifreeze is a pharmaceutical product that produces a local cooling effect when sprayed on the skin or other tissues. These cryogens are often used in medical procedures because of their ability to rapidly induce local anesthesia. Spray refrigerants can be made from a variety of materials, including chloroethyl, nitrogen, ethyl chloride, and more.
An aneurysm is a dilation or branching of a blood vessel wall due to weakness or damage to the wall. This is where the blood vessel wall becomes thinner and can rupture, causing bleeding into the surrounding tissue. Aneurysms can form anywhere in the body, but the most risky and potentially life-threatening are in the brain and the aorta, the large artery that carries blood from the heart to the body.