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 Very High Frequency (VHF) have……..wavelengths? April 6, 2019 What number determines the position of an element in periodic table? 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.