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Irina-Kira [14]
3 years ago
15

When the bicep contracts and gets shorter, what does the tricep do?

Biology
2 answers:
zalisa [80]3 years ago
6 0
Since they are situated opposite from one another in the upper arm, when the biceps contract, the triceps relax and vice versa. This mechanism of the two muscles makes them opposing muscles or antagonist and partner muscles
Tema [17]3 years ago
5 0
The triceps extends -----------
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