@risingnepalsbs_ratuwamai: Abdus Salam of Class 8 created a simplified 3D mechanical model of the human heart to understand its internal structure and how oxygenated and deoxygenated blood flows in and out of it. #HumanHeart #ScienceProject #RisingNepalSchoolRatuwamai #ratuwamai_morang💖 #RisingNepalSchoolSijuwa