https://www.youtube.com/@SmartDoctor1
=====================
Your heart is the only circulatory system organ. Blood goes from the heart to the lungs to get oxygen. The lungs are part of the respiratory system. Your heart then pumps oxygenated blood through arteries to the rest of the body.
=============
#diaphragm #respiration #anatomy #heart #lungs
#brain #shorts #viral
#the_voice #thevoice #voice #voiceover
#SmartDoctor1
#smartdoctor
#Smart_Doctor
#oxygen #blood #body
#pregnancy #medicina #anatomy #doctor #america #माहवारी #月経 #임신 #妊娠 #pregnant #gravidez #information #pronunciation #speak #speech #read