Lungs are the primary organs of _________.
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Which of the following reproduce both, sexually as well as asexually?
____ tissue changes the diameter of a blood vessel.
What is the pH value of human blood?
According to an early Indian philosopher everything is made up of ___ basic elements.
Name the noble gas which is placed in the third period and eighth group of the Modern Periodic table.
How many groups and periods are present in the Modern Periodic Table?
Which city is located on the banks of the river Alaknanda?