OBJECTIVES: 1. List the organs that compose the cardiovascular system and discuss the general functions of this system. 2. Describe the location‚ size‚ and orientation of the human heart. 3. Define the term cardiology. 4. Describe the structure of the heart in terms of its coverings‚ layers‚ chambers‚ valves‚ and blood vessels. 5. Name the function of serous fluid around the heart. 6. Give another name for epicardium. 7. Describe the structure and function of the interventricular septum.
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The cardiovascular system is an organ system comprised of the heart‚ blood and blood vessels. The cardiovascular system forms a part of the circulatory system‚ which circulates blood‚ lymph and oxygen throughout the body. The cardiovascular system works in conjunction with the digestive system to move nutrients throughout the body‚ and is also closely related to nervous system function. Here are some facts and functions of the cardiovascular system. 1. The Heart is at the Center of the Cardiovascular
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Body 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
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the anatomy and physiology of these three body systems; The Cardiovascular system‚ The Respiratory system and The Digestive system. The Cardiovascular System The cardiovascular system‚ also known as the circulatory system‚ consists of the heart‚ blood vessels and approximately 5 litres of blood. 55% of the blood is straw coloured yellow and 45% of the blood is made up of red and white blood cells and tiny particles called platelets. This system is powered by the heart and is responsible for
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CARDIOVASCULAR SYSTEM OF THE HEAD NECK The cardiovascular system consists of the heart‚ blood vessels‚ and the approximately 5 liters of blood that the blood vessels transport. Responsible for transporting oxygen‚ nutrients‚ hormones‚ and cellular waste products throughout the body‚ the cardiovascular system is powered by the body’s hardest-working organ — the heart‚ which is only about the size of a closed fist. Even at rest‚ the average heart easily pumps over 5 liters of blood throughout
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The Cardiovascular System The heart is one the primary organs in our body. The cardiovascular (CV) system is made up of the heart‚ the blood and the vessels through which blood travels. The CV system works in sequence with the respiratory system to maintain homeostasis. The heart acts as a pump which move the blood through the blood vessels to the tissues and organs of the body. This allows the CV system to help maintain homeostasis by enabling it to carry out its four major functions
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1 BIOC33/CC4 Cardiovascular System (Lectures 1-4) Study Guide (2015) Lecture 1: Electrical Conduction within the Heart Topics The Conduction System of the Heart Pacemaker Potential Sample Questions 1. What is the pathway of electrical conduction in the heart? 2. Which changes in ionic conductance (permeability) accompany the various phases of the pacemaker potential? 3. 1. 2. 4. a) In zone 1‚ a decrease in PK and an increase in PNa: In zone 2‚ an increase in PCa b) In zone 1‚ a decrease in PK
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The Cardiovascular System The cardiovascular system consists of a heart and an enclosed system of blood vessels categories into arteries‚ capillaries and veins. The heart is a muscle about the size of the fist; its wall is made up of a muscle known as the Cardiac Muscle‚ and is located between the two lungs and lies left of the middle of the chest (cliff notes). A fibrous covering known as the pericardium which surrounds around the whole heart holds the heart in place but allows it to move as
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1. Why do we need a cardiovascular system? Because we need to get oxygen through our system. 2. Make sure you know which circuits the left and right heart pump into (pulmonary or systemic). Also know the status of blood (fully oxygenated or not) at -the aorta: Left‚systematic‚ and fully oxygenated. -a pulmonary vein: Left side‚ pulmonary‚ and fully oxygenated. Goes from the right side of the body(heart) into the (left) pulmonary veins then goes to the left atrium then to the left ventricle then
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The cardiovascular system plays a vital role in circulating blood throughout the body to maintain human life. The system consists of a heart and blood vessels that help delivers blood containing oxygen and nutrients to the body organs and tissues for function. The heart is a muscular body organ located on the left side of a human chest. The heart has four chambers are known as the right atrium‚ right ventricle‚ left atrium and the left ventricle. Blood travels through the four chambers by the heart
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