MCQ
Functional residual capacity includes.

$(1)$ $TV$                 $(2)$ $IRV$

$(3)$ $RV$                 $(4)$ $ERV$

  • A
    $1$ and $3$
  • $3$ and $4$
  • C
    $1$ and $4$
  • D
    $1,2,3$ and $4$

Answer

Correct option: B.
$3$ and $4$
b

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