1. Define respiration.
2. what is function of voice box
3. what is the role of diaphragm
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Answer:
The chest walls form a protective cage around the lungs and other contents of the chest cavity. Separating the chest from the abdomen, the diaphragm plays a lead role in breathing. It moves downward when we breathe in, enlarging the chest cavity and pulling air in through the nose or mouthThe human respiratory system is a series of organs responsible for taking in oxygen and expelling carbon dioxide. The primary organs of the respiratory system are lungs, which carry out this exchange of gases as we breathe.
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Respiration = a process by which living things produce energy from food.
Function of voice box=
To protect the air way from choking on material in the throat.
The role of diaphragm = diaphragm role of breathing.
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