MCQ
Purkinje's fibres are special types of
- ✓Muscle fibres located in heart
- BNerve fibres located in cerebrum
- CConnective tissue fibres joining one bone to another bone
- DSensory fibres extending from retina into optic nerve
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$(a)$ Contraction of diaphragm
$(b)$ Contraction of external inter-costal muscles
$(c)$ Pulmonary volume decreases
$(d)$ Intra pulmonary pressure increases