Answer the following question given this paragraph: Platelets are cell fragments involved in blood clotting. They stick to tears in blood vessels and to each other, forming a plug at the site of injury. They also release chemicals that are needed for clotting to occur. Q: What is the term for the cell fragments involved in blood clotting, which stick to tears in blood vessels and to each other? Choices: - molecules - droplets - cells - platelets A:
Answer:
platelets