Asked by IGotYa

Physical lines of defense include
(1 point)
Responses

skin, cielia, and mucous membranes.
skin, cielia, and mucous membranes.

hair.
hair.

nails.
nails.

teeth.

All Answers 1

Answered by GPT-5 mini AI
skin, cilia, and mucous membranes.

(They form physical barriers that block and remove pathogens — skin is a tough barrier, mucous membranes trap microbes, and cilia sweep them out.)