Pancreatic amylase
Pancreatic Lipase
Protease (trypsin and chymotrpsin)
So 3 I believe
Option (B) specialised phagocytic cells
Zoology makes a huge impact on our world through the scientific study of the evolution, anatomy, physiology, behavior, habitats, and health of animals and humans. It includes diverse approaches such as electron microscopy, molecular genetics, and field ecology.