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

What essential function do serve, Why do membranes figure so prominently in...

Why do membranes figure so prominently in eukaryotic cells? What essential function do they serve?

What do energy pyramids represent, Normal 0 false false fal...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

Tpes of diarrhoea, Tpes of Diarrhoea: Diarrhoea can be acute, chronicl...

Tpes of Diarrhoea: Diarrhoea can be acute, chroniclpersistent diarrhoea and dysentery.  If an episode of diarrhoea lasts less than 14 days, it is acute diarrhoea. Acute wat

Use of genital herpes in pregnancy, Use of genital herpes in pregnancy ...

Use of genital herpes in pregnancy Although acyclovir is not approved for treatment of pregnant women, its use during pregnancy has not been associated with an increased risk

Therapeutics for infective endocarditis, Therapeutic   Accurate identif...

Therapeutic   Accurate identification of the infecting organism is the key to successful treatment.  Antibiotics as per the sensitivity study in high doses IV is given.

Explain the mechanism of enzyme action, Question 1 Give an account of t...

Question 1 Give an account of t-RNA 2 Write short note on Competitive inhibition 3 What are ketone bodies? Write the mechanism of ketogenesis 4 Describe the properties of nucle

Pathophysiology, Case scenario Mr Kit Lee, a 28-year-old unrestrained dr...

Case scenario Mr Kit Lee, a 28-year-old unrestrained driver of a utility, was travelling on a highway at 100kph and swerved to miss road debris. He lost control and struck a tre

What are the cell types that form the phloem, What are the cell types that ...

What are the cell types that form the phloem? What are the main features of those cells? The major cells that form the phloem are the sieve elements and the companion cells. Th

Define molisch's test or alpha naphthol reaction, Define Molisch's Test or ...

Define Molisch's Test or alpha naphthol reaction? The Molisch test is a common test for the existence of carbohydrates. Principle The reaction is due to the formation of

Describe the common operations performed in pcs, Describe the common operat...

Describe the common operations performed in paediatric cardiac surgery 1) Closed Heart Surgery: Surgery on Heart or Great Vessels done without using the Heart-Lung machine.

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