When a blood vessel is injured, ______ help(s) to plug the leak by clotting the blood.
platelets
Platelets (thrombocytes) are cell fragments in blood that gather at the site of an injured vessel and form a platelet plug.
They also release clotting factors that convert fibrinogen into fibrin threads, which hold blood cells and form a clot.
Red blood cells carry oxygen, plasma is the fluid part of blood, and lymphocytes are white blood cells involved in immunity.
Hence, platelets.
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Important Questions from Biology
Tooth decay starts when the pH of our mouth is_______.
Which hormone is secreted by the pituitary gland?
Gregor Johann Mendel came up with the theory of inheritance by studying:
Red algae are generally found in:
Amoeba, Paramecium and Bacteria undergo:
