asked 154k views
5 votes
What do Silvia, tears, and nasal mucus have in common

2 Answers

1 vote

They all come from the body.

answered
User Davehauser
by
9.2k points
6 votes

Mucus, saliva and tears are all part of the immune system, which helps fight off foreign and harmful cells. ... Another similarity is that mucus, saliva, and tears are all produced by exocrine glands.

answered
User Matfillion
by
8.1k points
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