TY - BOOK ED - Wonder House Books TI - Human body: heart & circulatory system T2 - Knowledge encyclopedia SN - 9789389931204 U1 - 612.1 PY - 2022/// CY - Uttar Pradesh PB - Wonder house books KW - Human Physiology KW - Heart KW - Circulatory System N2 - Why does your heart race when you run fast? Why is blood red? This encyclopedia will answer these and more whys for you. Learning is made simpler with well-labelled diagrams and an extensive glossary UR - https://www.goodreads.com/book/show/61287920-human-body?ref=nav_sb_ss_1_13#CommunityReviews ER -