Iron helps carry oxygen in blood.
Meaning: This means that iron is important for helping your body get oxygen to all its cells.
Choice of Words: Iron is a mineral that helps your body make red blood cells. Carry means to take something from one place to another. Oxygen is a gas that we breathe in and use to make energy. Blood is the red liquid that flows through your body and carries oxygen and nutrients to your cells. When you say "Iron helps carry oxygen in blood," you mean that iron helps red blood cells carry oxygen throughout your body.
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