Platelets (thrombrocytes) are cellular fragments which lodge in and seal any tiny gaps that may appear in the lining of blood vessels. Consider the following information and complete the activity below

3 illustrations of platelets

Gap-fill exercise

Fill in the spaces

When a blood vessel is injured become sticky due to the exposed . The platelets release that cause the vessel to . They also form a and initiate the resulting in a fibrin clot. The clot seals the wound while occurs.

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