Human blood platelets releases ___ which helps in clotting of blood.
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Oxygenated blood flows out of the heart through the _____ .
Which part of the human reproductive system helps the embryo get its nutrition from the mother's blood?
Which among the following is respiratory pigment in human beings?
What marks the onset of puberty in females?
Which among the following is NOT same as reproduction?
Which of the following represents the pair of sex chromosomes in women?
Western blot is the diagnostic test for