Physical lines of defense include
Responses
skin, cielia, and mucous membranes.
skin, cielia, and mucous membranes.
hair.
hair.
nails.
nails.
teeth.
1 answer
teeth.
Responses
skin, cielia, and mucous membranes.
skin, cielia, and mucous membranes.
hair.
hair.
nails.
nails.
teeth.
1 answer