Human blood platelets releases ___ which helps in clotting of blood.
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Which type of epithelial tissue allows transportation of substances through a selective permeable surface in the lining of food vessels or lung alveoli?
Bacteria, blue-green algae or cyanobacteria and mycoplasma are examples of organisms of which kingdom?
Name the organ where the embryo develops:
The O-T-C medicine Crocin is an
Which of the following is the largest group of animals?