Answer:
Kupffer cells, also known as stellate macrophages due to their particular structure while viewed under a microscope, were first identified by scientist Karl Wilhelm von Kupffer, after whom the cells were named, in 1876.
These cells, whose origin is in the yolk sack during fetal development, later on move to the liver where they will stay and further differentiate into their mature versions.
These cells are part of the liver cells, and are found particularly on the walls of the sinusoids, where they perform their two most important tasks. First, these cells are part of the immune system, as they are essentially macrophages. However, their role is pretty unique, as they are responsible not just for phagocytosis of invading bacteria, and other pathogens, and initiating immune responses, but also, this cell plays a role in decomposing red blood cells who are dying, and taking up the hemoglobin from them to further break that into reusable globin, and the heme group, from which iron is further extracted to be re-used and also to create bilirrubin, a part of bile.
Finally, these cells have been found to be connected to hepatic cirrhosis, as in their process of detoxifying ethanol, they produce toxins that force the liver cells to produce collagen, and thus to become fibrous.
In this given situation, we should stand behind him and administer abdominal thrusts.
<h3>Which part of the body should abdominal thrusts be administered?</h3>
Place the fist's thumb side against the person's stomach, just above the belly button and below the ribs. The muscle of the diaphragm can be felt. With the other hand over the fist, make a quick, powerful upward thrust into this muscle. Keep performing abdominal thrusts until the thing exits.
In order to remove things from the throat, the Heimlich maneuver employs abdominal thrusts. The diaphragm is a muscle that lies beneath the lungs. To assist the lungs in exhaling air, this muscle contracts. The Heimlich maneuver works by creating an artificial cough.
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Answer:
Explanation:
In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46.
Answer:
The neck consists of important nerves throughout the body and is also attached to the spine which caused him to become paralyzed.
Explanation:
Answer:
Option B.
Explanation:
Cystic fibrosis is caused by a defective gene which causes the lungs and the digestive system to become clogged with sticky mucus resulting the inflammation of the lungs thereby causing difficulty in breathing.
