The heart:Select one:is located in the thoracic region with its apex pointing superiorlyb. has valves between the atria and ventricles that prevent back-flow of blood within the heartO c.supplies blood to the systemic circulation via the superior vena cavad.is surrounded by the cartilaginous pericardiume. lies in the peritoneal cavitya.

Heart is the main organ of the circulatory system. In vertebrates, it is located on the ventral side…

Answered: The heart: Select one: O a. is located…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Similar questions

How would the left ventricle of a patient who had had high blood pressure for many years differ from the left ventricle of a normal heart? A it would have a larger volume of muscle B it would have a smaller volume of muscle C it would be smaller than the right ventricle D chronic high blood pressure would weaken the heart valves but would have no anatomical effects on the walls of the ventricles
Which of the following is/are true concerning the opening and closing of the cardiac valves? A. valves operate according to the pressures on either side of the valve B. valve operation is constantly being controlled by the medulla oblongata C. valve operation is determined directly by the cardiac action potential (electrical currents control the opening and closing of the valves.) D. valve operation is directly controlled by the papillary muscles within the ventricular wall. E. None of the above is correct.
What forms an external boundary between the atria and the venticles on the surface of the heart? Select one: a.interventricular sulcus b.coronary sulcus c.interatrial septum d.interatrial septum e.fossa ovalis
A membrane called the _____ covers the heart. A membrane superficial to this membrane is the _____. A parietal pericardium; visceral pericardium B visceral pericardium; parietal pericardium C fibrous pericardium; endocardium D endocardium; parietal peritoneum
Section 1: Create a flow chart image showing the map of the electrical activity of the heart (begin with the SA node) Include each step the electrical activity travels as it goes through the heart. Section 2: Create a flow chart image showing the map of how blood flows through the heart Include each step starting in the right atria Include the names of valves that the blood passes through Section 3: Application Describe what is occurring in the heart (regarding contraction) during each step of the electrical activity. In other words, what does the electrical activity indicate is happening in the heart (atria contraction, ventricle contraction/relaxation, etc). Also, explain how these contractions lead to proper blood flow sending blood to the appropriate areas for oxygen delivery. This section should be no more than one page in length (double spaced for APA format) and should give detailed information about how these three aspects of the heart (electrical activity,…
vity: Overview of the external ånatomy Auricle of left atrium Circumflex artery Inferior vena cava Арех

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