hysical lines of defense include (1 point) Responses skin, cielia, and mucous membranes. skin, cielia, and mucous membranes. hair. hair. nails. nails. teeth.

Answer 1

Physical lines of defense in the body primarily include the skin, cilia, and mucous membranes. These act as barriers to prevent pathogens from entering the body. Hair, nails, and teeth are not typically classified as primary physical lines of defense, though they have protective functions.

So, the correct response would be: skin, cilia, and mucous membranes.