Baroreceptors are a type of that monitors

Baroreceptor are a type of RECEPTOR that monitors BLOOD PRESSURE IN THE WALL OF MAJOR BLOOD VESSELS.
Baroreceptors are receptors which are sensitive to changes in blood pressure. They are located in the wall of the blood vessels and they carry information to the brain about the status of the blood pressure in the body. Baroreceptors can be found on both arteries and veins.

This is s cute awee : (( . well if she's showing you signs that she may like you , then shoot your shot ! don't be afraid . & if you're unsure that she's giving you these signs , then wait out for a little bit . most girls are different . some may act really sweet , but only bc you're a good friend of hers . that , or she might like you . you just never know . but i think you should sit down with her & tell her how you feel . but don't be awkward & shy . just be straight up & tell her how you feel . if the feelings aren't mutual , then don't cry about it . you need to respect her decision & look for others in the world . feelings can be difficult & confusing , but don't be afraid to show them . i say you play it out & if you're still unsure about it , talk to her . - rach