Which of the following statements is correct? Group of answer choices Veins carry blood away from the heart A stenotic heart valve would restrict the flow of blood through the valve Semilunar valves are located between the atria and the ventricles The right ventricle pumps blood to the systemic circulation

Q: NUMBER OF CAPILLARIES. In humans, blood flows from the heart into the aorta, from which it passes…

A: Introduction Blood comes into the right atrium from the body, moves into the right ventricle and is…

Q: Which of the following lists the events of the cardiac cycle in thecorrect order?a. both atria…

A: Answer- Cardiac cycle is the process by which one total heartbeat is completed. It comprises of…

Q: Heart Anatomy The human heart has _# chambers. The top chambers TYPE are called and the bottom are…

A: To answer the blanks that are missed. The paragraph talks about heart anatomy.

Q: Which one of the following is a matching pair?  A Pulsation of the radial artery - values in…

A: Heart is the muscular organ in most animals that is involved in pumping blood through blood vessels.…

Q: Which of the following is incorrect? Group of answer choices The walls of the cappillaries are…

A: Blood is a liquid comprising of plasma, red blood cells, white blood cells, and platelets which is…

Q: The steep depolarization phase of an action potential in the SA node of the heart is caused…

A: INTRODUCTION The action potential is a quick rise and sudden fall in voltage and membrane across a…

Q: Choose the statement(s) that are correct about serous membranes. Select all that apply. Visceral…

A: Serous membranes are membranes lining closed internal body cavities.

Q: Which part of the heart is responsible for the muscular contractions that pump blood through it?…

A: Heart is a muscular organ present in thoracic cavity which helps in blood flow through out the body.

Q: Arteries carry oxygenated blood away

A: Arteries are a kind of blood vessel that plays a major role in carrying the oxygen-rich blood (away)…

Q: Which of the following would increase the resistance in a blood vessel? Group of answer choices All…

A: Resistance is a force that opposes the flow of a fluid. The length of a vessel is directly…

Q: A key role of the atrioventricular node is to   act as a barrier to prevent the electrical impulse…

A: Heart pumps blood through a system of blood vessels, called the circulatory system. The heart is a…

Q: Figure 16.10 Which of the following statements about the circulatory system is false?a. Blood in the…

A: The body tissues get blood via various blood vessels. Two closed systems of tubes are made by them,…

Q: Which of the following would increase the resistance to blood flow? Group of answer choices All of…

A: Blood is a fluid connective tissue that flows in the vessels of the circulatory system. Certain…

Q: Give a term to describe the statement. All valves are closed and the volume of blood remains…

A: Cardiac cycle is the process of contraction and relaxation of cardiac muscle to pump the blood in…

Q: Fill in the blanks: The first heart sound is called __________and it is caused by the closing of the…

A: The human heart is situated in the middle of the thoracic cavity in a space called the mediastinum.…

Q: Which of the following have a four chambered heart? Choose all that apply. snakes & lizards…

A: Heart is divided into various chambers depending on the types of blood it contains like oxygenated…

Q: What may not be a reason for the evolution of heart valves from ball and cage to bi-/trivalve…

A: The cardiovascular system consists of the heart and the blood vessels. The heart is the pumping…

Q: Read the following statements: Statement A: Ventricular diastole leads to reduction in ventricular…

A: A heart is a muscular pumping organ of the circulatory system along with the blood and blood…

Q: Many congenital heart defects cause mixing of oxygenated and deoxygenated blood. This is because:…

A: Disorders of human heart can be referred to as congenital heart defects in case of presence of…

Q: The heart layer the lines the chambers is called the ___.

A: Question- The heart layer the lines the chambers is called the ___.

Q: Show a photo of an intact,undissected heart with attached blood vessels and label fully all…

A: Human heart: The heart is a crucial organ that carries out the pumping of blood through the body.…

Q: The purposes of arteries are all these EXCEPT ___.     carry blood from left ventricle to the…

A: Blood vessels are the tubular structure carrying out the blood within them. These includes arteries,…

Q: What happens when the pressure in the ventricles becomes lower than the pressure in the atria?…

A: Introduction :- A ventricle is one of two big chambers towards the bottom of the heart that collect…

Q: The image above shows the change in blood volume in the left ventricle through time. Identify what…

A: Answer: CARDIAC CYCLE = This is the cycle in human system which involves the conversion of…

Q: A doctor lets you listen to a patient's heart with a stethoscope at the same time that you feel the…

A: An ectopic focus is an abnormal pacemaker sites within in the heart. This will cause a premature…

Q: Which of the following is/are true concerning the opening and closing              of the  cardiac…

A: Cardiac valves present in the heart regulate the flow of blood from one chamber of the heart to the…

Q: Which chamber of human heart pumps fully oxygenated blood to aorta and hence to the body?   A.…

A: The human circulatory system consists of three main parts: lungs, heart, and blood vessels including…

Q: Which one of the following statements is incorrect? There are no valves in arteries. the walls of…

A: Closed circulatory system is a type of circulatory system in which blood flows inside the blood…

Q: Fill in the blank:  The period during which a heart chamber is relaxing is called…

A: Human Heart is a four-chambered, fibro-muscular organ. There are two atria through which the heart…

Q: Which of the following statements concerning the heart is true

A: In this question asked about the correct statement regarding heart.  Detailed solution in step 2.

Q: During contraction of heart, what prevents backflow of blood?a) Thin walls of atriab) Thick muscular…

A: The heart is the muscular organ of the circulatory system of the vertebrates. The apes and mammals,…

Q: Which of the following best describes an artery? O Arteries carry blood away from the heart. O…

A: The heart is a muscular organ situated behind and left of the breastbone. The circulatory system,…

Q: Which of the following normally has the greatest fluctuations in blood pressure due to their low…

A: Different blood vessels have their different physical properties. The diameter and their response to…

Q: The right side of the heart pumps blood Select one: through the bicuspid valve. to the systems of…

A: The cardiovascular system is responsible for the transportation and delivery of nutrients, gases,…

Q: Mitral valve prolapse is a disease where the valve between the left atrium and left ventricle…

A: The mitral valve permits blood to flow from the left atrium into the left ventricle, but not in the…

Q: When the ventricles contract with more force this causes the _____ volume to be larger and the ____…

A: Ventricles   The two large chambers present towards the bottom of the heart. The main function of…

Q: The first heart sound represents which portion of thecardiac cycle?a. atrial systoleb. ventricular…

A: The heart is a hollow muscular organ. It pumps the blood via circulatory system through rhythmic…

Q: The pointy, inferior part of the heart is the ___while the ___ is much broader with multiple blood…

A: This is a question about the heart.

Q: The cardiologist used a stethoscope to listen to your heart. He heart rapidly beating sound or…

A: Electrocardiography is a method used to record the electrical activity of the heart. It records the…

Q: Which heart chambers are used as route between heart and the entire body? right atrium, right…

A: Heart is a pumping organ. It is present in the circulatory system.

Q: Fill in the blank:  The period during which a heart chamber is contracting is called…

A: In most animals, the heart is a muscular organ which pumps blood via the circulatory system…

Q: The valve is also known as the mitral valve. One-way flow of blood from the right ventricle is…

A: Heart is the pumping organ and it transport blood to all the body parts.it is part of the…

Q: In the pause between the 2nd sound (dub) of one beat and the 1st sound (lub) of the following beat…

A: The heart has two major sounds which are referred to as lub and dub. The first sound of the heart is…

Q: Which of the following is the best description of what happens in capillaries? A. Capillaries are…

A:

Q: Which of the following statements regarding congestive heart failure is correct? Group of answer…

A: Congestive heart failure (CHF) is a condition when muscles of the heart are affected to pump the…

Q: Which of the events below does not occur when the semilunar valves are open?   A Ventricles are in…

A: The heart valves regulate the blood flow into and out of the heart. The normal human heart contains…

Q: This chamber of the heart pumps blood out to the blood vessels | Choose These valves prevent the…

A: Heart is made up of four Chambers- two upper Chambers are called Atrium and two lower Chambers are…

Dissection

Dissection is the process of cutting up the tissue of a dead or live animal or plant, to do anatomical studies and surgical treatments. The purpose of dissection is to learn more about the overall structure of organs and organ systems and thereby understand the physiology of the organism.