Under normal physiological conditions in human being every 100 ml of oxygenated blood can deliver ____________ ml of O2 to the tissues.
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : All vertebrates are chordates but all chordates are not vertebrates.
Reason (R) : Notochord is replaced by vertebral column in the adult vertebrates.
In the light of the above statements, choose the most appropriate answer from the option given below:
Which of the following is not a connective tissue?
Nitrogenous waste is excreted in the form of pellet or paste by :