"Excerise 32 pulmonary circulation" Essays and Research Papers

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    A&P 2 Cardiovascular system: The Heart Purpose: The purpose is to be able to descirbe the external and internal anatomy of the heart and use of microscoppy dissection. As well as be able to identify the vessels involved in coronry circulation. Safety will include wearing goggles and apron to prevent any splatter. Exercise 1: ( Slide) Questions: A. Where are some unique structral features of cardiac muscle? - presence of irregularly-spaced dark bands between myocytes (intercalated

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    Study Guide Chapter 18

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    The Cardiovascular System: The Heart- Chapter 18 Heart Anatomy Size‚ Location‚ and Orientation * Approximately the size of a fist * Location * In the mediastinum between second rib and fifth intercostal space * On the superior surface of diaphragm * Two-thirds to the left of the midsternal line; balance projects to the right * Anterior to the vertebral column‚ posterior to the sternum Coverings of the Heart * Enclosed in pericardium‚ a double-walled sac

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    Cardiac Cycle

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    within the systemic and pulmonary circulatory systems. Diastole is the period between ventricular contractions when the right and left ventricles relax and fill. The cardiac cycle cannot be described as a linear series of events associated with the flow of blood through the four chambers. One can not accurately describe the cardiac cycle by simply tracing the path of blood from the right atrium‚ into the right ventricle‚ into the pulmonary circulation‚ the venous pulmonary return to the left atrium

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    When the baby is born its circulation needs to be changed because now the baby must breathe by own using its lungs. Increased level of pO2 causes spasm of the umbilical arteries and‚ as follows‚ decreased venous return to the right atrium. The vascular resistance in the lungs drops and all cardiac output flows through the pulmonary vessels now. Increased return to the heart through the pulmonary veins causes the raised pressure in the left atrium. As result of the changes described above foramen

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    Analyse The Movement Of Blood Through The Body: Blood travels or circulates through the body through sort of pipes called blood vessels. The blood is pumped in to the blood vessel for circulation by the heart. The blood vessels are of three types called arteries‚ veins and capillaries. Arteries carry blood pumped by the heart to other parts of the body. Veins return the blood to the heart for pumping. Capillaries constitute a very large network of tiny blood vessels that reach every part of the

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    Module 7 Review

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    Module 7: Human Systems Review Sheet 7.01: Nervous and Endocrine Systems 1. What are the 4 lobes of the brain? Know where they are located if given a picture of the brain. - Temporal Lobe The temporal lobe is located on the side of each hemisphere‚ behind the ears. It is associated with speech‚ hearing‚ and memory skills. It houses the hippocampus (the area of the brain associated with memory) and contains the auditory centers responsible for hearing. Occipital Lobe The occipital

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    Circulatory System Notes

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    Heart: Atria - chambers that receive blood Ventricles - pump blood out  Single Circulation Bony fishes‚ rays‚ sharks Heart consists of two chambers: one atrium and one ventricle The blood passes through the heart once in each complete circuit Ventricle contraction pumps blood to the gills Blood that leaves the heart in single circulation passes through two capillary beds before returning Double Circulation Amphibians‚ reptiles‚ mammals One pump from the right side delivers oxygen-poor

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    The Cardiovascular System

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    Systems Cardiovascular System - relates to the heart‚ blood vessels and circulation in the body. The cardiovascular system‚ also known as the circulatory system‚ refers to the network that transports blood throughout the body. It is composed of the heart‚ blood vessels‚ and blood. There are actually two circulatory systems: * The pulmonary circulation – sends blood from the heart to the lungs. * The systemic circulation – sends blood from the heart to all the other parts of our bodies. Blood

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    around the use of paracetamol in treating PDA. Background In the foetal circulation‚ the primary role of the DA is to divert the ventricular output away from the lungs towards the placenta in utero by its connection between the pulmonary artery and the descending aorta. Its patency is regulated by low oxygen tension present in the foetal lung and prostaglandin‚ which is known for its vasodilating effect in the placental circulation. Prostaglandin levels are usually high as a result of placental production

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    Biology Questions

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    BIO 169 Ch. 20 S.G. Name: __________________________ Date: _____________ 1. 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 2. The membrane that surrounds and protects the heart is called the A) pericardium. B) pleura. C) myocardium. D) mediastinum. E) endocardium. 3. The apex of the heart is normally pointed

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