Which of the following is incorrect? Group of answer choices The walls of the cappillaries are thick. Vasoconstriction is one way to control blood flow. The walls of the veins are thin. There are no valves in the arteries. Veins carry blood into the heart.

Q: called the ______ and at least one thicker-muscled chamber that squeezes blood out of the heart:…

A: Circulatory system Heart is made up of chambers which function to pump blood and act as temporary…

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: Which side(s) of the heart would affected by high pressure in the pulmonary circuit? Which side(s)…

A: BASIC INFORMATION  PULMONARY CIRCUIT the blood pumped by right ventricles enters into the pulmonary…

Q: What is the purpose of the second aorta in alligators and crocodiles? What would happen if they…

A: Alligators and crocodiles have four-chambered hearts like mammals and birds. They have two…

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: List at least five things that a circulatory system does to help the body cells. Which of these is…

A: Circulatory system is a very important part of any living being as it helps to distribute oxygen and…

Q: Which of the following occurs during ventricular diastole? a-The ventricles contract to force blood…

A: During ventricular diastole, the following occur- b- The ventricles relax and refill with blood c-…

Q: How do arteries differ from veins?     Arteries have thicker smooth muscle layers to accommodate…

A: The circulatory system consists of three systems that work together; the heart (cardiovascular),…

Q: Capillaries are very narrow and leaky. Which functions do those characteristics enable? Pick ALL…

A: Capillaries are the tiny blood-containing structures that establishes the connection arterioles to…

Q: Which of the following would you expect to increase systolic blood pressure? Group of answer…

A: Systolic Blood Pressure is the top number which measures the force that heart exerts on the walls of…

Q: Which statement below best explains why valves are necessary in the veins but not in the arteries?…

A: Veins are vessels that take blood to the heart and deoxygenated blood is mainly transferred to the…

Q: Which of the following conditions might result in the back flow of blood through a weakened mitral…

A: a. High pressure in the left ventricle, low pressure in the left atrium

Q: Which best describes blood flow through the heart? oxygenated blood comes into the heart's left…

A: The heart, the lungs, and the blood vessels function to form the round circulatory system. The 3…

Q: Which statement is CORRECT concerning capillaries? The only site of nutrient, gas, and waste…

A: The only site of nutrient, gas, and waste exchange

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: 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: 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: In veins the ______ than in capillaries.   A blood pressure is higher and flow velocity is slower…

A: The Blood vessels are the part of our vascular system that is responsible for transporting blood and…

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: How does the muscle layer of the heart get oxygenated red blood cells to supply its need for oxygen…

A:

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: What type of blood is found in the perch heart? Oxygenated or deoxygenated or both? How does your…

A: Answers :  Only oxygenated blood is found in the search heart

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: Isovolumetric contraction" is a phase in the cardiac cycle in which the volume of a particular heart…

A: Isovolumetric contraction" is a phase in the cardiac cycle in which the volume of a particular heart…

Q: Which of the following best describes the flow of oxygenated blood in the heart? O Pulmonary veins -…

A: Human heart consists of 4 chambers: two upper chambers (right and left atria) and two lower chambers…

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: How do the walls of the atria compare with the walls of the ventricles and why are they different?…

A: INTRODUCTION: Human heart is a four-chambered organ which consists two atria and two ventricles.…

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: Which of the following characteristics is unique to capillaries and not to other blood vessels?…

A: The blood vascular system has various components that help in the smooth circulation throughout the…

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 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: explanation of circulation of blood in humans it has to begin with the right atrium of the heart.…

A: Circulatory System:  The circulatory system, also known as the cardiovascular or vascular system, is…

Q: Does the sheep and human have the structure of heart listed below? If not what structures does human…

A: Sheep Heart: The sheep heart is mammalian, with four chambers, including two atria and two…

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: Which of the following statements regarding blood pressure is NOT true? a.)Blood pressure is…

A: Blood is a type of connective tissue which flows in the body through blood vessels i.e. arteries,…

Q: What causes the atrial filling of blood?   high pressure in the atria   low pressure in the…

A: ATRIAL FILLING:- During the cardiac cycle, there is an alternating sequence of contractions and…

Q: Which of the following statements about the cardiovascular system is TRUE? (select multiple) o The…

A: Question - Which of the following statements about the cardiovascular system is TRUE? (select…

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: Which of the following would promote the filtration of fluid out of a capillary and into the…

A: The capillary exchange takes place through the capillary beds of the body tissues where molecules…

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: Deoxygenated blood is returning to your heart from your head. What is the order of the structures of…

A: Heart is a chief pumping muscular structure which helps in sending oxygen rich blood to all parts of…

Q: Which of the following would increase blood pressure? Group of answer choices Increased…

A: The parasympathetic activity or baroreflex is a mechanism of homeostasis that maintains the blood…

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: In which of the heart chambers would deoxygenated blood be found? A)left atrium and left ventricle…

A: Blood Circulation in Circulatory System: Through two large veins (inferior and superior vena cava)…

Q: Discuss the differences between myogenic and neurogenic hearts and explain what the role of…

A: The heart is the main organ for the circulation of blood and transportation of oxygen throughout the…