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

How hermaphrodite species present cross-fecundation, Is it possible for a h...

Is it possible for a hermaphrodite species to present cross-fecundation? There are hermaphrodite species of animals and plants that present cross-fecundation mainly because of

What is the type of reproduction that occurs in roundworms, What is the typ...

What is the type of reproduction that occurs in roundworms? What typical element do nematode sperm cells have? Nematodes reproduce sexually. The nematode sperm cell does not h

Endosperm with lateral haustoria, Endosperm with Lateral Haustoria In...

Endosperm with Lateral Haustoria In Monochoria, in which the endosperm development is of helobial type, the haustorium is neither chalazal nor micropylar but lateral. The cha

Which technique would use to see if a particular protein, Which technique w...

Which technique would you use to A) see if a particular protein bound to a piece of DNA B) Detect exactly where on a piece of DNA a protein bound.

Draw a graph for an iv multiple infusion of a drug, Draw A graph for an IV ...

Draw A graph for an IV multiple infusion of a drug, and label on the graph where the trough (predose) blood draw would be collected and where the peak (postdose) blood draw would b

State the term - migraine stroke, State the term - Migraine Stroke Sinc...

State the term - Migraine Stroke Since the late 1800s, physicians have recognised that migraine attacks may lead to infarcts and permanent neurological deficits. Such migraine

Myoglobin, Myoglobin We can build up the structure of haemoglobin by c...

Myoglobin We can build up the structure of haemoglobin by considering a single unit or monomeric form caned myoglobin. This consists of a single polypeptide chain the globin i

Report writing, tell me how to write a report in molecular biology?

tell me how to write a report in molecular biology?

Define nutrient requirements during emergencies, Define Nutrient Requiremen...

Define Nutrient Requirements during Emergencies? The nutritional requirements of the people do change during conditions of unforeseen stress and/or any calamity. Certain recomm

Natural selection, Darwin put fort the notion of the survival of the fittes...

Darwin put fort the notion of the survival of the fittest. How do we define 'fittest'? The answer usually given is those who survive. So you can readily see that this is a circular

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