In embryonic stage $RBCs$ develop in
Liver and kidney
Liver and spleen
Spleen and kidney
Liver and pancreas
The bacterium (Clostridium botulinum) that causes botulism is
Among the noninfectious diseases, which of the following is most common fatal diseases of human beings?
Opioids are the drugs, which bind to specific opioid receptors present in our
Internal bleeding, muscular pain, fever, anaemia and blockage of the intestinal passage are the common symptoms of
Addiction to alcohol causes