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हिंदी
Home
»
Biology
»
Human Physiology
» Question
Human Physiology
Easy Questions
Biology
Botany and Branches
Classification of Plant Kingdom
Micro Organism
Taxonomy of Angiosperm
Morphology of Plant
Plant Physiology
Plant Disease
Plant
Branch of Zoology
Plant Tissue
Classification of Animal Kingdom
Human Physiology
Human
Cytology
Animal Tissue
Health, Disease & Nutrition
Genetics
Evolution
Ecology
Pollution
Scientist : Their Contribution in Biology
Biodiversity and Wild Life
Biotechnology
Biology miscellaneous
White blood cells
act
As a defence against infection
As source of energy
For clotting of blood
As a medium for oxygen transport from lung to tissue
Correct Option:
A
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