Which of the following occurs when we straighten out arm
a) Both biceps and triceps contract
b) Both biceps and triceps relax
c) Bicep contracts triceps relaxes
d) Tricep contracts but biceps relaxes
Answers
Answered by
1
D) tricep contract but biceps relax..
I don,t know the real answer but I hope it,s correct
Answered by
1
the correct answer may be option d
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