heart, blood vessels, veins, arteries, capillaries, blood , red blood cells, white blood cells, plasma, double circulation, oxygenated, deoxygenated, aorta, vena cava, pulmonary vein, pulmonary artery, valves, ventricle, atrium, pulse,

Ilg'orlar ro'yxati

Vizual uslub

Moslamalar

Namunani almashtirish

Tahrirlashni davom ettirish: ?