Which of the following both prevents blood loss and the invasion of pathogens in vertebrates?
A) the formation of blood clots
B) phagocytosis
C) humoral immunity
D) cell-mediated immunity

Question

Quizplus · Accepted Answer

The formation of blood clots is a mechanism that prevents blood loss after an injury, but it also helps to prevent the invasion of pathogens by providing a physical barrier that prevents them from entering the body. Phagocytosis, humoral immunity, and cell-mediated immunity are all involved in the immune response, but they do not directly prevent blood loss.

Which of the Following Both Prevents Blood Loss and the Invasion