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chezmoi chezmoi
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Posts: 1648
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7 years ago
Which structure(s) represent a first line of defense against pathogens?
A) skin
B) inflammation
C) lymphocytes
D) phagocytosis by macrophages
Textbook 
Biology: Science for Life with Physiology

Biology: Science for Life with Physiology


Edition: 5th
Authors:
Read 247 times
2 Replies
Go easy on me, I'm just a high school student
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KhoshabaKhoshaba
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7 years ago
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chezmoi Author
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6 years ago
Awesome! This is such a great community
Go easy on me, I'm just a high school student
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