227k views
9 votes
A fever is a sign that....

A. the immune system is fighting infection
B. the cardiovascular system has an artery blockage
C. the bones are not getting enough calcium
D. the skeletal muscles have been overworked

2 Answers

8 votes

Answer:

a. the immune system is fighting infection

Step-by-step explanation:

User Tim Schruben
by
8.5k points
13 votes

Answer:

a. the immune system is fighting infection

User Supraj V
by
8.0k points
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