What is the blood flow from the middle cerebral artery to the left brachial artery

answer:

The areas supplied by the middle cerebral artery are drained by the middle cerebral veins which eventually drain into the internal jugular veins via the cavenous sinus, superior sagittal sinus, and the transverse sinus.

Explanation:

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air enters through the nose, moves through the nasal cavity, the pharynx, the larynx, enters the trachea, moves through the bronchi andbronchioles till the alveoli.