The heart! What a symbol of love and affection. But does emotional processing really take place in the heart? Sorry romantics, but no. That's the brain's business. But the heart is still miraculous. It is a completely natural pump whose responsibility it is to circulate blood all over the body to give all the cells the oxygen they need to perform cellular respiration, as well as transporting nutrients and hormones. Let's see how the heart works now! Watch the whole Anatomy & Physiology playlist: http://bit.ly/ProfDaveAnatPhys General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem Biology/Genetics Tutorials: http://bit.ly/ProfDaveBio Biopsychology Tutorials: http://bit.ly/ProfDaveBiopsych Microbiology/Infectious Diseases Tutorials: http://bit.ly/ProfDaveMicrobio Pharmacology Tutorials: http://bit.ly/ProfDavePharma History of Drugs Videos: http://bit.ly/ProfDaveHistoryDrugs Immunology Tutorials: http://bit.ly/ProfDaveImmuno EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Book Depository: http://bit.ly/3aOVDlT