5. During intense exercise (intensity > 75% VO2 max) eliteathletes sometimes show a sharp decrease in their arterial PO2level in a condition known as exercise-induced hypoxemia. What isan approximate reason for this?
a. What does equilibrium potential of a solute mean? (Explain ina few sentences)
b.What is the mathematical relationship among resistance toblood flow, length of the blood vessel, viscosity of blood and theradius of the blood vessel?
c. Comment on the relationship between resistance to blood flowand the radius of the blood vessel based on the above mathematicalrelationship.
d. Briefly describe five differences of cardiac and skeletalmuscle.
