CBSE Class 7 Science Mechanism Of Breathing In Human Beings
Sample Q&A
- why do we cough
- INSPIRATION IS THE PROCESS OF
- Where are the lungs located in our body
- Why is it neccesary to keep our nose clean?
- what is alveoli
- what are alveoli?
- The given graph shows changes in the pressure in lungs during breathing.
- Why do testube with snail and plant both have higher concerntration of carbon dioxide than only snail or only water plant/
- How is O2 transported by the blood from lungs to the tissues? Make a flow chart.
- What is the function of the respiratory system?
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