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33 votes
33 votes
Coughing, oils in skin, cilia that

sweep out invaders, saliva
chemicals, and stomach acid are
all a part of which type of immune
system defense?

Coughing, oils in skin, cilia that sweep out invaders, saliva chemicals, and stomach-example-1
User Nfarrar
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2 Answers

14 votes
14 votes

Answer:

The first line of defence (or outside defence system) includes physical and chemical barriers that are always ready and prepared to defend the body from infection. These include your skin, tears, mucus, cilia, stomach acid, urine flow, 'friendly' bacteria and white blood cells called neutrophils.

Step-by-step explanation:

i hope that helps. have a great day!! :)

24 votes
24 votes

Answer:

The first line of defence (or outside defence system) includes physical and chemical barriers that are always ready and prepared to defend the body from infection. These include your skin, tears, mucus, cilia, stomach acid, urine flow, 'friendly' bacteria and white blood cells called neutrophils.

Explanation: brainlieast...?

User Rida Rezzag
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2.8k points