The Control (Ctrl) key is a modifier key on the keyboard used in combination with other keys to perform specific tasks quickly.
Examples:
- Ctrl + C: Copy selected content.
- Ctrl + V: Paste the copied content.
- Ctrl + Z: Undo the last action.
Name the blood vessel that brings (i) oxygenated blood (ii) deoxygenated blood, to the human heart. Also name that chamber of the heart which receives deoxygenated blood and state how deoxygenated blood from this chamber is sent to the lungs for oxygenation.