The atria are the receiving stations of the heart. The right atrium receives its supply of oxygen-poor blood from the two largest veins in the body, the superior and inferior vena cava. The left atrium receives blood that has been oxygenated in the lungs from the pulmonary veins.
ML is the best kaibigan
that's is the best kaibigan
tvl, "how to deal with equations and functions"
syempre si jamel wala nang lalamang sa kagapuwan mo