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What factors are responsible for blood clotting outside of the body, for example in the case of an injury, and not internally?
Platelets are tiny red cells that flow with in our bodies to assist with our injuries. When we cut ourselves, blood flows with the cut and this carries platelets. The...
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What is the function of Chordae Tendineae? Does it initiate heartbeat, carry blood to the heart muscle, or prevent the valves from inverting?
The main function of Chordae Tendineae is to keep the valves in position
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Why does chelation of calcium prevent blood clotting?
Blood clotting is a complex process, involving a cascade of reactions. Somewhere in this chain, activated platelets will have an increased level of $Ca^(2+)$ in their cytosol. This Calcium acts...
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How do platelets assist in blood clotting?
The immediate process of stopping blood after injury is known as " hemostasis " and involves 3 steps 1) blood vessel spasms 2) formation of platelet plug 3)...
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When ice is applied to an injured area, blood clotting occurs. What may be the possible reason behind this?
When tissue is damaged through an injury, it activates fragments in cells such as platelets and proteins in blood plasma to stop the injury from bleeding - forming clots also...
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Which vitamin help in blood clotting?
Decreased concentrations of vitamin K and vitamin K hydroquinone in the tissue , results in inefficient carboxylation reaction catalysed by glutamyl carboxylase . This results in the production of...
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What is hemoglobin, and does it help with blood clotting?
Platelets are the part of blood that is responsible for blood clotting. When we cut ourselves, the blood seeps out, carrying platelets. The platelets stick to the injured area and...
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Why doesn't the blood clot in the blood vessels? Blood contains platelet cells which help in clotting of blood when there is any cut on our body. Why doesn't it clot when blood is present inside the blood vessel in a normal healthy body?
Heparin is an anticoagulant which does not allow the blood to clot in the blood vessels
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Is a kidney cell an example of a sex cell, a germ cell, a somatic cell or a haploid cell?
Kidney is not a reproductive organ, hence there is no germ cell or haploid cell in kidney. Cells in kidney are all diploid.
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Describe the cell membrane, cell wall, nucleus, and cytoplasm. Which of these structures are you likely to find in a prokaryotic cell, Eukaryotic cell, plant cell or animal cell?
Basic Definitions: = the semi-permeable structure that surrounds the cell and keeps all of the cells organelles from exploding everywhere. Cell Wall = the rigid 'armor' of the...
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