Meaning: Oxygen allows our body to function effectively.
Choice of Words: "Helps" indicates a positive effect. "Body" refers to the physical structure of a person or animal. "Work" means to function or operate.
Alternative Expressions
Without oxygen, we would die.
Meaning: This means that oxygen is so important that if we don't have it, we will eventually die.
Choice of Words:Without means not having something. Oxygen is the air we breathe that keeps us alive. Die means to stop living. When you put them together, "Without oxygen, we would die" means that if we don't have oxygen, we will not be able to live.
Oxygen is like the food for our body.
Meaning: This means that oxygen is very important for our body to be able to do all the things it needs to do to keep us alive and healthy, just like food is important for us to have energy.
Choice of Words:Oxygen is the air we breathe that keeps us alive. Food is something we eat to give our body energy. Body is the physical part of a person or animal. When you put them together, "Oxygen is like the food for our body" means that oxygen is just as important as food for our body to function properly.