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1.Through what blood vessel is blood flow the slowest and why is this beneficial

ID: 39486 • Letter: 1

Question

1.Through what blood vessel is blood flow the slowest and why is this beneficial?

2. George is accidentally injected with an experimental chemical that mimics the effects of norepinephrine.

A) What effect will this have on his end-diastolic volume (EDV)? Explain why this will occur.

B) What effect will this have on his heart rate? Explain the mechanism behind this in as much detail as you can.

C) What effect will this have on his contractility? Explain the mechanism behind this in as much detail as you can.

Explanation / Answer

The slow rate of travel through the capillary beds, which reach almost every cell in the body, assists with gas (especially oxygen and carbon dioxide) and nutrient exchange.