The lungs are the organ that gets oxygen into the blood.
When you inhale, your breath is drawn into your lungs, and is exchanged for Carbon Dioxide. The oxygen is 'traded' for Carbon Dioxide from your blood vessels, which leaves the body when you exhale. In other words, inhaling brings Oxygen to your blood.
the lung
heart
the lung
veins
because oxygen brings food to the cell
because oxygen brings food to the cell
Blood brings food and oxygen to your cells.
The lungs absorbs oxygen into the blood
The circulatory system, also called the cardiovascular system, is the heart and the network that brings blood to body tissue. It carries oxygen and nutrients to cells.
the respiratory system brings oxygen into the body