Post category:Biology MCQs / Human Body MCQs Post comments:0 Comments The lifespan of Red Blood Cells is ___ days. A. 60 B. 120 C. 180 D. 240 Read more articles Previous PostDeficiency of Vitamin-A results in: Next PostDeficiency of Vitamin-D results in: You Might Also Like Which Vitamin is also known as retinol? September 12, 2020 What is the largest organ in the human body? June 8, 2020 The lifespan of White Blood Cells is __________ days. June 19, 2022 The study of plant is called? February 2, 2022 Which statement about thylakoids in eukaryotes is not correct? September 1, 2020 Bacteria Are Very ______Organisms. May 6, 2022 Leave a Reply Cancel replyCommentEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Save my name, email, and website in this browser for the next time I comment. Δ