[ Grammar ]
What is the main purpose of our immune system?
A. To help us move
B. To help us breathe
C. To help protect us from bacteria and viruses
D. To help our hair grow
Select your answer:

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Science › ViewThe branch of biology dealing with fungi
A. Mycology
B. Bacteria
C. Bacteriology
D. Cytplasm
Grammar › View
The tall building over there is the ___________ building.
A. most beautiful
B. more beautiful
C. most beautiful
D. beautifully
