left‚ so that about 2/3 of the heart is located on the body’s left side with the other 1/3 on right. The top of the heart‚ known as the heart’s base‚ connects to the great blood vessels of the body: theaorta‚ vena cava‚ pulmonary trunk‚ and pulmonary veins. Circulatory Loops There are 2 primary circulatory loops in the human body: the pulmonary circulation loop and the systemic circulation loop. 1. Pulmonary circulation: Pulmonary circulation transports deoxygenated
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to cell. C. Why does cardiac muscle have to be both elastic and strong? The heart to be both elastic and strong to meet the needs of human body. The elasticity of the atria and ventricles I s import to accommodate the preload that stretch of the myofibrils that is vital for cardiac output. D. Which of the three layers of the heart did the tissue used to make your slide originate from? Myocardium/muscle tissue Exercise 2: The
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femoral vein to the lower lobe of the right lung and then to exit out of the nose. The reason for this is because we were just informed that the female’s body was invaded by a bacterium‚ which is invading the right lung and this is our only hope of getting out of her body. Before we can start our journey I would like you to meet Mr. Windzel‚ he will be guiding us through the females body today. We are also going to be miniaturized to 8 microns long so that we can be injected into the femoral vein.
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and SL valves in terms of location‚ structure‚ and when they close. 11. Define/describe the terms chordae tendineae‚ papillary muscle‚ and trabeculae carneae. 12. Name (and locate) the veins that deposit their blood into the atria of the heart (which atria? deox- or oxygenated?). 13. Name (and locate) the arteries that take blood away from the heart (from which ventricle? deox-or oxygenated blood?). 14. Distinguish between pulmonary‚ coronary and systemic circulation. 15. Track a drop of blood
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CHAPTER 23 Circulation Chapter Objectives Opening Essay Describe the adaptations of giraffes and humans to circulate blood against the pull of gravity. Circulatory Systems 23.1 23.1 23.2 Describe the general functions of a circulatory system. Compare the structures and functions of gastrovascular cavities‚ open circulatory systems‚ and closed circulatory systems. Compare the cardiovascular systems of a fish‚ an amphibian‚ a reptile‚ a bird‚ and a mammal. The Human Cardiovascular System
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tissues all over the body.2ArteryA good way to remember this is the A in arteries and away. The arteries always take out blood from the heart.Most arteries carry oxygenated (oxygen-rich) blood from the heart to the rest of the body.3VeinVeins differ from HYPERLINK http//www.wikipedia.org/wiki/Artery o Artery arteries in structure and function for example‚ arteries are more muscular than veins‚ veins contain valves.Most veins carry deoxygenated (containing less oxygen and more carbon dioxide and other
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the heart‚ arteries‚ capillaries and veins. As blood begins to circulate‚ it leaves the heart from the left ventricle and goes into the aorta. The aorta is the largest artery in the body. The blood leaving the aorta is full of oxygen. This is important for the cells in the brain and the body to do their work. The oxygen rich blood travels throughout the body in its system of arteries into the smallest arterioles. On its way back to the heart‚ the blood travels through a system of veins. As it reaches
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Ch 22: The Respiratory System 5-2 Objectives Functional Anatomy of the Respiratory System 1. Identify the organs forming the respiratory passageway(s) in descending order until the alveoli are reached. 2. Describe the location‚ structure‚ and function of each of the following: nose‚ paranasal sinuses‚ pharynx‚ and larynx. 3. List and describe several protective mechanisms of the respiratory system. 4. Distinguish between conducting and respiratory zone structures. 5
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through the Superior Vena Cava which is the large vein at the top of the heart‚ and the Inferior Vena Cava‚ which is the large vein at the bottom of the heart. Blood flows into the right atrium‚ passes through the tricuspid valve‚ and makes its way into the right ventricle. It then moves through the pulmonic valve‚ into the pulmonary artery to the lungs.” After picking up oxygen in the lungs‚ the blood moves out of the lungs into the pulmonary vein‚ into the left atrium‚ through the mitral valve‚
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• Blood alternates between pulmonary circuit and systemic circuit © 2012 Pearson Education‚ Inc. An Introduction to the Cardiovascular System • Three Types of Blood Vessels 1. Arteries • Carry blood away from heart 2. Veins • Carry blood to heart 3. Capillaries • Networks between arteries and veins © 2012 Pearson Education‚ Inc. An Introduction to the Cardiovascular System • Capillaries • Also called exchange vessels • Exchange materials between blood and tissues • Materials
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