Blood clotting is caused by platelets present in blood. When injury occurs, platelets gather at the wound and help form a clot, preventing excessive blood loss and protecting the body from harmful microorganisms entering through cuts.
When you get a small cut on your skin, blood oozes out from the cut. Clot is formed after some time. What causes blood to clot?
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Platelets are responsible for blood clotting after a cut or injury. They collect quickly at the damaged area and release substances that help form a clot. The clot seals the wound, prevents excessive blood loss and protects the body from infection by blocking the entry of germs. This process is an important protective mechanism of connective tissue.
For more NCERT Solutions of Class 9 Science Exploration Chapter 3 Tissues in Action Question Answer (2026-27)
https://www.tiwariacademy.com/ncert-solutions/class-9/science/exploration-chapter-3/