Which acts as both a physical and chemical barrier against pathogens? skin lymph blood mucus

Question

asked Feb 15, 2020 206k views

2 Answers

Matthi · Answer 1 · 2020-02-20T00:35:23+0000

Answer:

Skin

Step-by-step explanation:

Since its covers the whole body, it acts as a barrier between pathogens and the inner body.