Which of the following physiological changes would likely occur in someone’s blood vessels when they begin an intense exercise session?

• A. Rate of blood flow needs to increase, so the ΔP will increase & the resistance will increase.
• B. Rate of blood flow needs to decrease, so the ΔP will decrease & the resistance will decrease.
• C. Rate of blood flow needs to increase, so the ΔP will increase & the resistance will decrease.
• D. Rate of blood flow needs to decrease, so the ΔP will increase & the resistance will decrease.