Which part of heart serves as an actuating signal, Biology

Assignment Help:

Which of the following serves as an actuating signal, or as part of an actuating signal, in a negative feedback system?

A. Action potentials in sympathetic neurons that release acetylcholine (ACh) near the SA node of the heart.

B. Action potentials in parasympathetic neurons that release norepinephrine (NE) near the SA node of the heart.

C. Action potentials in parasympathetic neurons that release norepinephrine (NE) near the smooth muscles that surround the arterioles.

 


Related Discussions:- Which part of heart serves as an actuating signal

Digestive System, When a piece of thread is tied tightly around an animal p...

When a piece of thread is tied tightly around an animal pancreatic duct the animal experiences difficult in digestion but does not suffer from diabetes mellitus.Explain why?

Emulsion preparation, Em u l sio n preparation Frozen deboned meat,...

Em u l sio n preparation Frozen deboned meat, fat and by-products are tempered at 0° to 4° C for 12to 15 hr and cut into pieces and coarse minced by passing through 8, 10 o

Complications in celiac disease, Q. Complications in celiac disease? Pa...

Q. Complications in celiac disease? Patients with severe form of celiac's disease for long period are at risk for several complications mainly due to nutrient absorption probl

Matter of gene control and imprinting, Differentiation is largely a matter ...

Differentiation is largely a matter of gene control and imprinting (CH3) plays a role, but ___ may also play a role.

Why isnt the cooking of vitamin c-containing foods, Why isn't the cooking o...

Why isn't the cooking of vitamin C-containing foods appropriate for vitamin C supply? To obtain vitamin C, for example, from an orange dessert, the vitamin-containing food cann

Explain continuous murmurs and their characterstic, Explain Continuous Murm...

Explain Continuous Murmurs and their characterstic in details? These murmurs are continuous throughout systole and diastole. It is due to continuous blood flow in the same dire

Explain the nutrient composition of different milk, Explain the Nutrient co...

Explain the Nutrient composition of different milk? Sometimes exclusive breast-feeding cannot be sustained. Working mothers join their duty in the fourth month and exclusively

How does refrigeration help to stop food from going bad, How does refrigera...

How does refrigeration help to stop food from going bad?   Western diets are often unhealthy due to they have too much sugar and fat, and not sufficient fibre.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd