Topic: Food Energy and Respiration Subtopic: How we breathe?
What is diaphragm?
Answer: A diaphragm is a tough, dome-shaped sheet of muscles across the bottom of the chest. It helps to make the chest into an air tight box.
Learn also:
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- What is our body made up of?
- How is deoxygenated blood pumped to lungs?
- What is semi-permaeable membrane?
- What is an artery?
- What is digestion?