in Animals It would take 1,200,000 mosquitoes to…. by Chirag Chauhan December 4, 2015, 2:06 pm 20 Views It would take 1,200,000 mosquitoes, each sucking once, to completely drain the average human of blood. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website By using this form you agree with the storage and handling of your data by this website. *