Which of the following is the correct flow of the air during inhaling process?

Which of the following is the passageway for both food and air?

Which of the following parts is the major organ of the respiratory system?

Which of the following shows the correct path when we exhale?

What happens to your lungs when you breathe in?

What do you call the muscle labeled X in the diagram?

Which of the following gases is released during the process of respiration?

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1. We breathe in _______________ through our nose and mouth.

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1. The gas being exhaled out is called ____________________________.

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1. The process of moving air in and out of the body is called ________________.

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1. The group of organs in our body that enable us to breathe is called _____________________.

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1. The muscle that makes our lungs larger and smaller during breathing is called ____________.