The opening and closing of the stomatal pores depends upon
The wave of expansion of an artery when blood is forced into it is called
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What prevents the backflow of blood inside the heart during contraction?
Coagulation of blood in a cut or wound is brought about by
The process of carrying food from the leaves to other parts of a plant is called
Which blood vessel does not carry any carbon dioxide?
Which type of respiration takes place in mitochondria?
During marathon, we sometimes get painful contractions of leg muscles due to the accumulation of one of the following in leg muscles. This is
The photosynthesis in a plant is not taking place during the daytime if the plant is releasing:
13 videos|44 docs|187 tests
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13 videos|44 docs|187 tests
|