The skin, with its hard outer layer, acts as a mechanical barrier versus an infection. Additionally, it secretes substances that could eliminate bacteria. Mucous membranes entice particles with mucus and use cilia to expel them, whilst also containing protective antibodies. In parallel, investigation to the microbiome—the wide Local community of https://canigetdogfleas01111.blogdigy.com/not-known-details-about-lab-tested-pet-products-55519603