heart muscle tissue :)
The superior vena cava brings deoxygenated blood into the heart, into the right atrium. The superior vena cava is formed by union of the right and left brachiocephalic (innominate) veins.
Parts: Pulmonary veins(left and right) Superior vena cava Inferior vena cava Right atrium(auricle) right ventricle Pulmonary Arteries(left and right) Left atrium(auricle) Right ventricle Left ventricle semi-lunar valve bicuspid valve Function: To pump blood. Right side pumps to the lungs & the left side pumps to the body.