PHYSIOLOGY
CARDIOVASCULAR PHYSIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Capillaries
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Platelets
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Plasma
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Vena cava
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Detailed explanation-1: -Platelets are tiny blood cells that help your body form clots to stop bleeding. If one of your blood vessels gets damaged, it sends out signals to the platelets. The platelets then rush to the site of damage and form a plug (clot) to fix the damage.
Detailed explanation-2: -Platelets help prevent bleeding Their primary function is to prevent and stop bleeding. If a blood vessel is damaged, the body sends signals to platelets which cause them to travel to the injured area. Once the platelets arrive at the site, they clump together to form a clot that helps stop bleeding.
Detailed explanation-3: -Platelets also contribute to surface-mediated zymogen activations of plasma factors XII, XI, X, and prothrombin and bind several coagulation proteins including factor Xa, thrombin, and fibrinogen. Finally, platelets can protect coagulation enzymes (factors XIa and Xa) from inactivation by plasma proteinase inhibitors.