A blockage of which branch of the aortic arch would interfere with blood flow to the left arm?

Q: Give the functions of the following: midrib, veins and veinlets

A: The midrib is the vein that run through the middle of the lamina. The midrib divides the lamina's…

Q: What general regions do the arteries that arise from the arch of the aorta supply?

A: The human circulatory system is one of the major eleven organ systems in the human body and is…

Q: Give the functions of the following: midrib, veins and veinlets.

A: The midrib is the vein that run through the middle of the lamina. The midrib divides the lamina's…

Q: What are the branches

A: The largest blood vessel of thr body is aorta. The transportation of the oxygen rich blood from the…

Q: Name the paired visceral and parietal branches and the unpaired visceral and parietal branches of…

A: The main blood vessel present in the abdominal cavity is known as abdominal aorta. The function of…

Q: What is the Normal anatomy of major body system effected in varicose veins?

A: Major body system which gets affected in varicose veins is the vascular system (especially veins )

Q: Explain the major function of the veins?

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

Q: How would heart function be affected if the AV valves did not completely close during ventricular…

A: In humans, the heart has four chambers, two atria, and two ventricles. The right atrium receives…

Q: Describe the total cross-sectional areas of the aorta,arteries, arterioles, capillaries, venules,…

A: The total cross-sectional area is calculated by multiplying the cross-sectional area of the single…

Q: List the three major veins that return blood from the thoraxto the superior vena cava.

A: The heart received blood from various parts of the body and carries deoxygenated blood into the…

Q: What causes the pacemaker cells of the SA node to trigger an action potential?

A: The heart is made up of cardiac muscle. It contains a network of specialized cardiac muscle fibres…

Q: Explain the effect on blood flow of mitral valveincompetence.

A: The heart is a muscular organ that pumps blood to the body and is considered the most important…

Q: Why is ventricular fibrillation such a serious arrhythmia?

A: The term ‘arrhythmia refers to an abnormal condition of the heart in which the rate and frequency at…

Q: Define semilunar valve

A: Human Heart: One of the most essential organs responsible for maintaining life is the human heart.…

Q: Why is ventricular fibrillation such a serious arrhythmia?

A: Introduction: The term ‘arrhythmia refers to an abnormal condition of the heart in which the rate…

Q: What pressure difference between the ventricle and the atrium causes theatrioventricular valve to…

A: The cardiac cycle refers to the sequences of events that occur and repeat with every heartbeat. It…

Q: Is a thrombus in the external carotid life-threatening? Why or why not?

A: A thrombus is usually blood clot that forms in a vessel .

Q: Differentiate between the roles of the atrioventricular and semilunar valves.

A: The heart has valves to maintain the unidirectional flow of blood, called the heart valves. This…

Q: Define atrioventricular valve

A: The heart is a muscular organ. It helps in the circulation of the blood to the entire body after the…

Q: Define arteriovenous anastomosis

A: A connection between two hollow cylindrical muscular organs called the blood vessels is termed…

Q: Blood flow within the capillaries is slower than within arterial or venousvessels. Explain why this…

A: The cardiovascular system provides blood supply throughout the body. The cardiovascular system…

Q: TRACE A DROP OF BLOOD FROM THE AORTA TO THE SKIN OF THE FACE AND BACK TO THE RIGHT ARTIUM. INCLUDE,…

A: The circulatory system of human body contains a number of arteries and veins. The arteries originate…

Q: All the blood that passes through the aorta, except the blood that flowsinto the coronary vessels,…

A: Resistance is a force that opposes the flow of a blood.

Q: Why are arterial anastomoses especially common at joints such as the shoulder and elbow?

A: A connection between two things, especially in cavities that are usually diverging or are branched…

Q: Define aortic valve

A: the aortic valve is a valve withinside the human heart between the left ventricle and the aorta.  it…

Q: Why is it important for impulses from the atria to be delayed at the AV node before they pass into…

A: Atriovenbtricular node can be described as one of the major region of electrical conduction system…

Q: Which component of the conducting system is located in thefloor of the right atrium, between the…

A: Introduction: The heart is present in the mediastinum of the thoracic cavity. It is the central…