Why Do We Not Have Gamma-Globin Throughout Our Entire Lives? QUESTION 1 Explain the concept of vascular distensibility and use this knowledge to answer the following question: “If 3 mmHg causes a blood vessel to increase its volume from 10 mm to 15 mm, what would the distensibility be?” (Show all your calculations.) [10] QUESTION 2 The following diagram depicts the Starling forces of a capillary: