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Which of these hormones reduce blood pressure?

Which of these hormones reduce blood pressure? Correct Answer Atrial natriuretic factor

Atrial natriuretic factor or ANF is secreted by the walls of the atria of the heart. Its effect is to dilate blood vessels and hence decrease blood pressure. Adrenaline and noradrenaline increase blood pressure.

Related Questions

Consider the following statements about the Open and Closed Blood Circulatory System:   A) Open blood circulatory system does not contain special blood vessels to carry oxygenated and deoxygenated blood, while in the closed blood circulatory system blood vessels are present. B) Oxygenated and Deoxygenated blood gets mixed in the closed blood circulatory system, while oxygenated and deoxygenated blood does not get mixed in the open blood circulatory system. Choose the correct statement.
In the question two statements are given, followed by two conclusions, I and II. Read all the conclusions and then decide which of the given conclusions logically follow/s from the given statements. Statements: All white blood cells are red blood cells. Some blood cells are red blood cells. Conclusions: I. All blood cells are red blood cells, is a possibility. II. Some red blood cells are not blood cells.
Under the ABO method, a person with an unknown blood group loses a lot of blood in a road accident and needs an immediate blood transfusion. A friend of his, who has a valid certificate of his blood group, requests for blood donation without any delay. The blood group of the blood donor is:
In a blood donation camp, 100 people donated blood. 37 of them had blood group ’A’, 31 had blood group ‘B’, 14 had blood group ‘O’ and rest had blood group ‘AB’. If a sample is chosen at random, what is the probability that the sample contains blood of group ‘AB’?
In the following question, the 1st and the last part of the sentence/ passage are numbered 1 and 6. The rest of the sentence/passage is split into four parts and named P, Q, R and S. These four parts are not given in their proper order. Read the sentence/passage and find out which of the four combinations is correct.  1. Blood pumps through the circulatory system of the human body. P. Over time, the increased pressure on the arteries can cause a wide range of problems. Q. Hypertension occurs when the force exerted against artery walls is abnormally high. R. Just as too much water pressure can damage pipes and faucets, high blood pressure can spell trouble. S. When blood is under pressure, it is like the water in the pipes of a house. 6. Small bulges, called aneurysms, may form in blood vessels
In the following question, the first and the last part of the sentence/passage are numbered 1 and 6. The rest of the sentence/passage is split into four parts and named P, Q, R, S. These four parts are not given in their proper order. Read the sentence/passage and find out which of the four combinations is correct. S1. Blood donation refers to a practice where people donate their blood to people so it helps them with their health problems. P. It is also a sign of humanity that unites people irrespective of caste, creed, religion, and more. Q. If the body loses blood in excessive amounts, people to get deadly diseases and even die.  R. Blood is one of the most essential fluids of our body that helps in the smooth functioning of our body. S. Thus, we see how blood donation is literally life-saving which helps people. S6. To raise awareness about this life-saving procedure, the world observes 14th June as Blood Donor Day.
A patient of hemorrhagic shock requires Blood transfusion. His blood group is B+ve. Blood bank informed that following blood group blood is available. Which blood can be used?
Given below is a statement followed by two conclusions numbered I and II. Assume everything in the statement to be true, and then decide which of the given conclusions logically follow (s), beyond a reasonable doubt, from the information given in the statement. Statement: The colour of blood is red due to the presence of red blood cells. Conclusion I: If red blood cells are removed, blood will lose its red colour. Conclusion II: Red blood cells will be red as long as they remain in the blood.
In a sample of 50 people, 19 had type O blood, 22 had type A blood, 7 had type B blood and 2 had type AB blood. If a person is selected randomly, find the probability that the person has neither type A nor type O blood?
A man having an 'A' blood group met a serious road accident and the doctors advised for blood transfusion. The relatives were asked to donate blood, whose blood groups were found to be as follows: i) Wife - 'O' ii) Brother - 'AB' iii) Son - 'A' iv) Daughter - 'O' Who among the above relations could donate blood to the injured man?