Question

Name an organism which live outside our body but when it bites or attack we get benefit from its biting

Answer 1

louse is an organism that lives outside our body and is beneficial for us,when it bites it takes the impure blood out from our body through its bite and it is being estimated by scientists that the impure blood if not removed from body can lead to brain tumour,which is quite common today becoz of absence of louses.

Answer 2

Louses are the outsiders that bites but we get benefit from it.They take dirty blood from our brain.