Final answer:
When the baroreflex is trying to correct an abnormal blood pressure, the body response we see is heart rate changes.
Step-by-step explanation:
The body response we see when the baroreflex is trying to correct an abnormal blood pressure is 3) Heart rate changes. When blood pressure increases, the baroreceptors are stretched more tightly, which leads to a higher rate of firing from the baroreceptors. This triggers a reflex in the cardiovascular center in the medulla oblongata, which ultimately results in changes in heart rate to maintain homeostasis. This dynamic interplay within the autonomic nervous system exemplifies the baroreflex's swift and precise control, illustrating its pivotal role in orchestrating physiological adaptations to fluctuations in blood pressure, safeguarding the body's vital equilibrium.