Arrange the appropriate pair.
Column-$I$Column-$II$ (Amount of $CO_2$ in $mm \ Hg$)
$(a)$ Alveoli$(1)$ $40$
$(b)$ Tissue$(2)$ $45$
$(c)$ Blood without $O_2$ (Deoxygenated)$(3)$ $40$
$(d)$ Blood with $O_2$ (Oxygenated)$(4)$ $45$

  • A
    $a-1, b-2, c-4, d-3$
  • B
    $a-2, b-1, c-3, d-4$
  • C
    $a-4, b-3, c-1, d-2$
  • D
    $a-4, b-1, c-2, d-3$

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Similar Questions

Given below are two statements.
Statement $I$: Respiratory membrane is composed of two layers of squamous epithelia,each resting on a thick basement membrane.
Statement $II$: The diffusion of a respiratory gas takes place from lower partial pressure to higher partial pressure of the same.
In the light of above statements,choose the most appropriate answer from the options given below:

Blood leaving the lungs is rich in:

What is correct at the alveoli?

The partial pressure of oxygen in the alveolar air is

Diffusion of gases occurs in the alveolar region only and not in the other parts of the respiratory system. Why?

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