Blood pressure<span>. ... If these nerves do not detect stretching, the body determines perceives low </span>blood pressure<span> as a dangerous </span>stimulus<span> and signals are not sent, preventing the inhibition CNS action; </span>blood<span> vessels constrict and the heart rate increases, causing an increase in </span>blood pressure<span> in the body.
hope this helps :3
good luck :3</span>
Thank you for the points i appreciate it : )
I think its b or d so do some googling or ask other places
Arm with a hand under the substage to be safe