This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Platelets help in blood clotting
 the blood platelets help in clotting of blood.whenever a blood vessel is injured these platelets accumulate at the site of injury and helps in the formation of blood clot.and the clot seals the wounds in the blood vessels and prevents blood loss.

hope this helps u.