The most popularly known blood grouping is the ABO grouping. It is named ABO and not ABC, because ' O ' in it refers to having
Held on 30 Apr 2009 · Verified 9 Jul 2026.
other antigens besides A and B on RBCs
over dominance of this type on the genes for A and B types
one antibody only-either anti-A or anti-B on the RBCs
no antigens A and B on RBCs
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Cardiac activities of the heart are regulated by: A. Nodal tissue B. A special neural centre in the medulla oblongata C. Adrenal medullary hormones D. Adrenal cortical hormones Choose the correct answer from the options given below :
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Work through every NEET UG Body Fluids and Circulation PYQ, year by year.