Q. Adrenaline directly affects on
A. S.A. Node
B. Beta cells of langerhans
C. Dorsal root of spinal cord
D. Epithelial cells of stomach
Answer: S.A. Node
A. S.A. Node
B. Beta cells of langerhans
C. Dorsal root of spinal cord
D. Epithelial cells of stomach
Answer: S.A. Node