The functions of platelets include all of the following except
A. secretion of chemicals that call more platelets to the site of injury.
B. formation of a temporary patch in the walls of damaged blood vessels.
C. release of chemical signals that trigger the immune response.
D. release of molecules that initiate clotting.
Answer:C
The functions of platelets include all of the following except
A. secretion of chemicals that call more platelets to the site of injury. B. formation of a temporary patch in the walls of damaged blood vessels. C. release of chemical signals that trigger the immune response. D. release of molecules that initiate clotting.