Select the right option to answer the question:
A boy is stung by a bee and his skin becomes swollen and painful.
i. Name the substance injected by the bee.
ii. Treatment to be done.
iii. Identify the type of reaction.
i. Name the substance injected by the bee.
ii. Treatment to be done.
iii. Identify the type of reaction.
i. The substance present is
ii. Treatment:
iii. Type of reaction: