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Force and Pressure — Science STD 8 — Question

Maharashtra BoardEnglish MediumSTD 8ScienceForce and Pressure1 Mark
MCQ
Lungs expand and contract while we inhale and exhale air during breathing.The force involved in this activity is called:
  • A
    Breathing force
  • ✓
    Muscular force
  • C
    Kinetic force
  • D
    Pulmonary force
✓

Answer

Correct option: B.
Muscular force

Force resulting due to action of muscles is known as muscular force.And in breathing internaland external intercoastal muscles are involved.

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