PPT-13-1 Arteries, arterioles, capillaries,

venules and veins differ in size structure and function Kelsee Aimee How it works Blood leaves heart through pulmonary trunk and aorta Vessels branch forming major arteries that carry blood to body organs. Anatomy of the arteries veins and capillaries.. Anatomy and Physiology. On the white boards outline the process of fainting after an athlete performs exercise and then stops abruptly. (clue, vascular return) . Blood Flow and the Control of Blood Pressure. About this Chapter. The blood vessels. Blood pressure. Resistance in the arterioles. Distribution of blood to the tissues. Exchange at the capillaries. The lymphatic system. 2. Size of Heart. Average Size of Heart. 14 cm long. 9 cm wide. 3. Location of Heart. posterior to sternum. medial to lungs. anterior to vertebral column. base lies beneath 2. nd. rib. apex at 5. venules. , and veins differ in size, structure, and function. Kelsee. , Aimee . How it works. Blood leaves heart through pulmonary trunk and aorta. Vessels branch forming major arteries that carry blood to body organs. Mathilde. Xiao and Liam Kennedy. http://. www.youtube.com/watch?v. =3Q5x0znIFnI. Structure of the Artery. Arteries . • . Fairly . narrow lumen . (blood at . higher . pressure. ) . No . valves . apart from the semi lunar valves. . Anatomy and Physiology. On the white boards outline the process of fainting after an athlete performs exercise and then stops abruptly. (clue, vascular return) . Cause . During exercise – high Q (what is Q). Anatomy and Physiology. On the white boards outline the process of fainting after an athlete performs exercise and then stops abruptly. (clue, vascular return) . Cause . During exercise – high Q (what is Q). Delivery system of dynamic structures that begins and ends at the heart. Arteries: carry blood away from the heart; oxygenated except for pulmonary circulation and umbilical vessels of a fetus. Capillaries: contact tissue cells and directly serve cellular needs. -pumps and directs blood cells and substances carried in blood to all tissues of the body.. Cardiovascular . System. The CVS is composed of:. Heart-. . an organ whose function is to pump the blood.. The . Circulatory System is known as a CLOSED SYSTEM because the blood is contained within either . the . heart . or . blood . v. essels . at all times. . The . blood . vessels . that are part of the . Anatomy and Physiology. Where gas and nutrient exchange occurs. Microvascular anatomy. Arterioles and Peripheral Vascular Resistance. Arterioles are the main regulators of peripheral vascular resistance. th. Grade Science. 2017 - 2018. Objectives & Vocabulary. Compare and contrast arteries, veins and capillaries.. Explain how blood moves through the heart.. Identify the functions of the pulmonary and systemic circulation systems.. blood vascular system. is composed of the following structures:. The . heart,. an organ whose function is to pump the blood.. The . arteries,. a series of efferent vessels that become smaller as they . Blood Vessels and Circulation. Five types of blood vessels:. (. 1) . Arteries. . Two . large arteries . are the aorta . and . pulmonary trunk. (. 2) . Arterioles. (. 3) . Capillaries. (. 4) .