Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


Because u get immune to it
0 0 0
Our immune system specifically remembers the small pox virus when it enters our body.there are some antibodies so, person who suffered from smallpox cannot suffer from it againto fight against them.
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts