I believe it’s carbon dioxide, because you use your respiratory system to breathe in oxygen, and oxygen goes through your circulatory system. And you breathe out CO2.
Answer: lungs
Explanation:
The infant lungs and central nervous system are proceeding to develop during the third trimester that is about 34 week. The skin has grown soft and delicate, and she's stretching out and growing also rounder.
Banana health benefits far outweigh those of the apple. That’s because they have many vitamins and nutrients then their round counterparts. Bananas have twice as many carbohydrates, 5 times as much vitamin A and iron, and 3 times as much phosphorus as apples.