The Phrenic Nerve Arises from the Left and Right Sides

question 24

Essay

The phrenic nerve arises from the left and right sides of cervical vertebra 3, 4 and 5. Describe the potential benefit of having the nerve exit from such a superior position and from multiple places on the spinal column.

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Definitions:

Trade Deficits

Trade deficits occur when a country imports more goods and services than it exports, resulting in a net outflow of domestic currency to foreign markets.

Interest Rates

The cost of borrowing money, typically expressed as a percentage of the amount borrowed, charged by lenders to borrowers.

Federal Budget

An annual financial document used by a government to project its expected revenue and allocate funds to various expenses and programs.

Surpluses

Situations where the quantity of a good or service supplied exceeds the quantity demanded at a specific price, often resulting in excess stock.