hezekiah
hezekiah hezekiah
  • 10-04-2016
  • Health
contestada

how do muscles in pairs move the body?

Respuesta :

doubleA23 doubleA23
  • 10-04-2016
Muscles move body parts by contracting. Muscles cannot move body parts by relaxing or pushing so they need to work in pairs that work in opposite directions.
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