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The Contraction of the Diaphragm and the External Intercostal Muscles

question 87

Essay

The contraction of the diaphragm and the external intercostal muscles begins inspiration.Explain exactly what happens,in terms of volume and pressure changes in the lungs,when these muscles contract.


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Dividend Payout Ratio

A financial metric indicating the proportion of earnings a company pays to its shareholders as dividends, typically expressed as a percentage.

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The net income of a business once all costs and taxes are subtracted from its total revenue.

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Income received from owning shares in a company, usually distributed from the company's profits.

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