MCQ
The pericardium and the pericardial fluid help in
- ✓Protecting the heart from friction, shocks and keeps it moist
- BPumping the blood
- CReceiving the blood from various parts of the body
- DNone of the above
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$I. Serotonin$ $II. ACTH$ $III. MSH$ $IV. PRL$ $V. Melatonin$ $VI. FSH$
The correct option is
Thus, $C O_{2}$ is trapped as ...$C$... at the tissue level and transported to alveoli is released out as ...$D$...
Select the right choice for $A, B, C$ and $D$ to complete the given $NCERT$ statement