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:
- What is quantity of white blood cells in blood?
- Why are pacemaker cells important?
- How many times blood enters heart in one circulation?
- How are xylem and phloem arranged in roots?
- What is temporary cure of Asthma?
- Why thumb should not be used while checking pulse?