To clear your acne using onion, you need to apply onion juice on your face. You can blend an onion in a blender or simply grate it and then extract the juice. It is excellent for greasy and combination skin. For best results, prefer to use freshly extracted onion juice on your skin.
From Wikipedia, the free encyclopedia. The superior vena cava (also known as the cava or cva) is a large diameter (24 mm), yet short, vein that carries deoxygenated blood from the upper half of the body to the heart 's right atrium.It is located in the anterior right superior mediastinum.rom Wikipedia, the free encyclopedia. The superior vena cava (also known as the cava or cva) is a large diameter (24 mm), yet short, vein that carries deoxygenated blood from the upper half of the body to the heart 's right atrium. It is located in the anterior right superior mediastinum.
It goes back to your heart. Superior vena cava is a vein therefore, it transports blood back to the heart. If you mean to ask where does the blood come from that passes through the superior vena cava, then the answer is from the head and arms. Was this helpful? Let the contributor know!