MCQ
Element necessary for the middle lamella.
- ✓$Ca$
- B$Zn$
- C$K$
- D$Cu$
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$I.$ Diffusion membrane is made up of $3$ layers
$II.$ Solubility of $CO _{2}$ in blood is higher than $O _{2}$ by $25$ times
$III.$ Breathing volumes are estimated by spirometer
$IV.$ High $H ^{+}$ in blood favours oxygen dissociation
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