Complete the sentence. a primary role of a sports physician
a. involves working with clients to improve their basic motor skills
b. includes the diagnoses of sports injuries
c. entails motivating people during exercise routines
d. none of the above

Cells a and b are the same size and shape, but cell a is metabolically quiet and cell b is actively consuming oxygen. oxygen will diffuse more quickly into cell because . b the oxygen molecules inside cell b have a higher kinetic energy b. a its membrane transport proteins will not be saturated c. a the diffusion gradient there is shallowerd. b the diffusion gradient there is steeper