MCQ
Identify the correct statement:
- ✓All arteries carry oxygenated blood from the heart.
- BAll veins carry oxygenated blood from the heart.
- CAll arteries carry oxygenated blood.
- DAll veins carry deoxygenated blood.
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$P$ |
$Q$ |
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$1.$ Nutrients (Macro and Micro) |
$a.$ Medium for enzymatic activities |
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$2.$ Oxygen |
$b.$ Synthesis of protoplasm and act as a source of energy |
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$3.$ Water |
$c.$ Releasing metabolic energy for growth activities |