Pectinate muscles - Study guides, Class notes & Summaries

IBHRE CEPS – Anatomy Questions and Answers 100% Solved Bachmann's bundle Preferential path of electrical conduction from the right to left atrium. Atrial muscle. Thebesian Valve Coronary sinus valve. Varies in size/sometimes absent. Eustachian Ridge Attached to the IVC, functions as a valve in utero Parasympathetic Unlike the SA node, which is innervated with both parasympathetic and sympathetic innervation, the AV node is more richly supplied with _______ nerves Tricuspid annulus,...

Anatomy of the Heart Review Practice Test. A proximal LAD lesion is a blockage in the left anterior descending artery, also known as the anterior interventricular artery. Explain why a heart attack caused by an obstruction of this artery is sometimes referred to as the "widow maker" heart attack. - CORRECT ANSWER A blockage in the anterior interventricular artery prevents oxygen from reaching cardiac muscle cells in both ventricles. The atria are not powerful enough to pump blood to the...

Anatomy and Physiology 2 Chapter 18 Parietal Pericardium ️the tough outermost layer of the pericardium that is attached to the diaphragm and the sternum Visceral Pericardium ️epicardium: the innermost of the two layers of the pericardium Myocardium ️the middle layer of the heart which is composed of cardiac muscle and forms the bulk of the heart. This layer contracts Endocardium ️The third layer of the heart wall which is a white sheet of endothelium resting on a thin conn...

BY115 Final Study Guide Spring 2023 The muscular wall of the heart is called the ________ and contains________ A. Myocardium, smooth muscle B. Epicardium, cardiac muscle C. Myocardium, cardiac muscle D. Epicardium, smooth muscle E. Endocardium, cardiac muscle C. Myocardium, cardiac muscle What is the purpose of the bio concave disc shape of an erythrocyte? A. Maximizes surface area B. Allows the cell to live longer C. Increases the opportunity of cells to clump together prevents D...

BY115 Final Study Guide Spring 2023 The muscular wall of the heart is called the ________ and contains________ A. Myocardium, smooth muscle B. Epicardium, cardiac muscle C. Myocardium, cardiac muscle D. Epicardium, smooth muscle E. Endocardium, cardiac muscle C. Myocardium, cardiac muscle What is the purpose of the bio concave disc shape of an erythrocyte? A. Maximizes surface area B. Allows the cell to live longer C. Increases the opportunity of cells to clump together prevents D...

papillary muscles the small, cone shaped that project up into the lumina of the ventricles of the heart are pulmonary arteries, right atria which of the following carry deoxygenated blood vasa vasorum what do you call when a blood vessel supplies a blood vessel pulmonary artery a blood vessel closely associated with the right ventricle of the heart left atrium the pulmonary veins return highly oxygenated blood into the endocardium the inner most layer of ...

BIO235 Final exam questions - CH 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29. Actual Exam Questions Included. Updated 2024. Which of the following terms identifies the anatomical region found between the lungs that extends from the sternum to the vertebral column and from the first rib to the diaphragm? a) Epicardium b) Abdominal cavity c) Pericardium d) Mediastinum e) Thoracic cavity d) Mediastinum The membrane that surrounds and protects the heart is called the a) pericardium. b) p...

BY115 Final Study Guide Spring 2023 The muscular wall of the heart is called the ________ and contains________ A. Myocardium, smooth muscle B. Epicardium, cardiac muscle C. Myocardium, cardiac muscle D. Epicardium, smooth muscle E. Endocardium, cardiac muscle C. Myocardium, cardiac muscle What is the purpose of the bio concave disc shape of an erythrocyte? A. Maximizes surface area B. Allows the cell to live longer C. Increases the opportunity of cells to clump together prevents D...

A & P Lab Exam I latest questions and answer’s guaranteed pass Terms in this set (204) Arteries that supply blood to cardiac muscle. Coronary muscle Layer of heart wall containing cardiac muscle. Myocardium Brainpower Read More Extensions of the atria. Auricles The heart is located here in the area between the lungs. Mediastinum Lines the heart chamber. Endocardium Pointed inferior part of the heart. Apex Two heart pumps,; lowers heart chamber. Ventricles Superior heart cham...

What does insect hemolymph transfer in the body? Nutrients, wastes, hormones, immune cells and peptides, BUT NEVER O2!! What kind of circulatory system do insects have? open circulatory system: hemolymph is in direct contact with tissues Brainpower Read More What is the dorsal vessel? Main circulatory organ of insects. It spans the entire length of an insect's body on the dorsal side. Anterior: aorta. Posterior: heart What are Alary muscles? muscles that hold the heart in...