Defense of the body against a particular pathogen is provided by

Immune system

Explanation:

The immune system is a set of structures and biological processes that protect the body against diseases. In order to function properly, the immune system must detect an immense variety of agents, from viruses to parasites, and distinguish them from healthy body tissue.It protects the body from infections through stratified defense mechanisms with progressive specificity. The physical barriers (like skin, membranes) prevent pathogens from entering.

the answer would be a." don't hit a home run when the game is tied"

loris malaguzzi was the founder of reggio emilia’s educational philosophy and together with the comune and many local administrators he participated in the birth and building of reggio emilia’s network of municipal preschools (3-6) and infant-toddler centres (0-3).