According to the context, the protection against infectious disease is not a major function of the blood.
What is blood?
It is the fluid that is inside the veins and arteries, it is described as a reddish-colored liquid present in the body of humans and other animals.
Its main function is to ensure that oxygen and nutrients are distributed between the cells of each organism.
Therefore, we can conclude that according to the context, the protection against infectious disease is not a major function of the blood.
Learn more about function of the blood here: https://brainly.com/question/13585990
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