Negative Feedback Regulation of Blood Pressure
✔
✔
✔ Ask questions here:
Follow us:
▶ Facebook:
▶ Review Us:
stimulus
• Blood pressure determines the flow of blood to and from capillaries. • Low blood pressure results in reduced blood flow.
• High blood pressure can cause blood vessels to break.
Baroreceptors
• The aortic arch carries blood to the body.
• The common carotids carry blood to the head.
• Baroreceptors measure changes in blood pressure.
• High blood pressure stretches artery walls.
• Low blood pressure cause less stretch of the walls.
Cardiovascular control center
• Low blood pressure causes a slower rate of impulses sending information to the cardiovascular center in the brain.
• The CV center outputs its own nerve impulses to the heart and blood vessels.
Effectors
• The heart responds to increased CV center output by beating faster and with greater strength, increasing the flow of blood.
• Increased (added) resistance in blood vessels also results from increased nervous stimulation as well as the secretion and action of homones.
Return to homeostasis
• Baroreceptors detect the return of normal blood pressure.
■ CV center adjusts its output signals to the heart and blood vessels.
• Homeostasis is achieved.
Source link
How did it fall to negative feedback?
⭕For easy Cardiac Cycle, cardiac output, blood pressure regulation in hindi and many more topic visit this chanel👇
https://youtube.com/playlist?list=PLUiRSykl5vahU-f7sXAXAskWV2eW-Nt8b
What would happen if a negative feedback mechanism did not return the value
of some parameter such as blood pressure to its normal range?
What would happen if a negative feedback mechanism did not return the value
of some parameter such as blood pressure to its normal range?
Thank you