de-oxygenated blood passes through the tricuspid valve into the right ventricle. This blood is then pumped under higher pressure from the right ventricle to the lungs via the pulmonary artery. Left-Hand Side of the Heart The left-hand side of the heart receives oxygenated blood from the lungs (via the pulmonary veins) into the left atrium. This oxygenated blood then passes through the bicuspid valve into the left ventricle. It is then pumped to the aorta under greater pressure (as explained below)
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the necessary glue of your body. Collagen is a protein that allows your tissues to stretch to a certain limit and then return back to normal. Collagen can be found throughout the body‚ which is why there are various types of Ehlers-Danlos syndrome in order of prevalence: hypermobile—joints extend further than they should. classical—hypermobility and skin stretches further than it should. vascular—fragile arteries‚ intestines‚ and uterine kyphoscoliotic—loose ligaments‚ low muscle tone‚ weak whites
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Shier‚ Butler‚ and Lewis: Hole’s Human Anatomy and Physiology‚ 10th ed. Chapter 15: Cardiovascular System Chapter 15: Cardiovascular System I. Introduction A. The cardiovascular system includes the heart and blood vessels. B. Without blood circulation‚ the tissues lack oxygen and nutrients and waste accumulates. II. Structure of the Heart A. Size and Location of the Heart 1. An average size of an adult heart
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Give the attachments‚ nerve supply and actions of: Trapezius‚ deltoid‚ serratus anterior‚ triceps brachii‚ biceps brachii‚ pronator teres‚ flexor digitorum superficialis‚ flexor digitorum profundus‚ supinator‚ muscles of thenar eminence‚ lumbricals. TRAPEZIUS : a) Flat muscle. b) It covers back of neck and upper part of trunk 1 Origin : External occipital protuberance Medial one‐third of superior nuchal line Ligamentum nuchae Spine of 7th cervical vertebra
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pericardium. Its size is about that of a fist‚ and its weight is about 250-300 g. Its center is located about 1.5 cm to the left of the midsagittal plane. Located above the heart are the great vessels: the superior and inferior vena cava‚ the pulmonary artery and vein‚ as well as the aorta. The aortic arch lies behind the heart. The esophagus and the spine lie further behind the heart. II. FUNCTIONS OF THE HEART The role of circulation is to: 1. Continuously deliver oxygen‚ nutrients‚ hormones‚ and
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chambers two atria that receive blood from the body’s veins. And two ventricles that pump blood into the body’s arteries. There is a thin wall between the atria’s that is called the interatrial septum. There is a wall between the ventricles called interventricular septum. Right Atrium- This is the superior right chamber. It receives deoxygenated blood from the main veins‚ the superior and inferior vena cava and the coronary sinus. (These veins drain a series of blood vessels called the systemic circuit
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Cardiovascular Anatomy & Physiology I. Structures and Functions Heart Muscle * Has 3 layers (epicardium‚ myocardium‚ and endocardium) and a surrounding sac called the pericardium * Location: In the mediastinum‚ above the diaphragm‚ and is surrounded on both sides by lung * Shape: Resembling triangle‚ with base parallel to the right edge of the sternum Heart Chambers * The right side of the heart is a low pressure system and the left side is a high pressure system
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Spotter Hint: Cross section: Which artery (vein also indicated)? The correct answer is: Internal thoracic artery Click on the correct name for this structure: The correct answer is: Descending aorta Click on the correct name for this structure The correct answer is: Rib: head The correct answer is: Pulmonary artery The correct answer is: Sternum: xiphoid process The correct answer is: Posterior intercostal artery The correct answer is: Brachiocephalic artery The correct answer is: Vertebra:
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encyclopedia Jump to: navigation‚ search For other uses‚ see Capillary (disambiguation). [pic] [pic] Blood flows from the heart to arteries‚ which branch and narrow into arterioles‚ and then narrow further still into capillaries. After the tissue has been perfused‚ capillaries branch and widen to become venules and then widen more and connect to become veins‚ which return blood to the heart. Capillaries (pronounced /ˈkæpəˌlɛri/) are the smallest of a body ’s blood vessels and are part of the
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Within spermatic cord: Testicular artery Sperm maturation: Epididymis Erectile tissue: Corpus cavernosum 9. Match each structure to its description. Sperm maturation: Epididymis Production of spermatozoa: Seminiferous tubules Fibrous covering of testis: Tunica albuginea Erectile tissue: Corpus cavernosum 10. Match the following B: contains deoxygenated blood- pampiniform plexus A: brings oxygenated blood to the testis- testicular artery C: sperm maturation- epididymis
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