Post category:Everyday SciencePost comments:0 CommentsWhat is the lifespan of White Blood Cells? A. 1 – 5 daysB. 3 – 7 daysC. 4 – 8 daysD. 5 – 21 daysShare this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) You Might Also Like Which human hormone is called love hormone? May 22, 2019 In a very low temperature which from the following will freeze at last? April 9, 2019Leave a Reply Cancel replyCommentEnter your name or username to commentEnter your email address to commentEnter your website URL (optional) Save my name, email, and website in this browser for the next time I comment. Notify me of follow-up comments by email. Notify me of new posts by email.