Which of these is not a function of baroreceptors in the human body?

Baroreceptors play a crucial role in maintaining hemodynamic stability by monitoring blood pressure and responding to changes in vessel stretch. These specialized sensory receptors are primarily located in the carotid arteries and the aorta. When blood pressure increases, baroreceptors are stretched, and they respond by sending signals to the autonomic nervous system, which then helps regulate heart rate and vessel diameter in order to return blood pressure to its normal range.

The primary functions of baroreceptors include monitoring blood pressure and responding to vessel stretch, which directly informs the body about cardiovascular status and helps maintain homeostasis. They are involved in adjusting heart rate through autonomic pathways to ensure proper blood flow.

In contrast, detecting light intensity is a function performed by photoreceptors in the eyes, not by baroreceptors. Therefore, the option regarding light intensity is the correct answer as it does not pertain to the role of baroreceptors in the body.