Ppt The Respiratory System Powerpoint Presentation Free Download The cardiovascular system consists of the heart, blood vessels, and blood. it circulates blood throughout the body, transporting oxygen, nutrients, hormones, and waste. the respiratory system brings air into the lungs through inspiration and removes carbon dioxide through expiration. gas exchange occurs in the lungs as oxygen diffuses into. 1 cardiovascular (circulatory) system 2 3 systemic circulation – delivers blood to all body cells and carries away waste pulmonary circulation – eliminates carbon dioxide and oxygenates blood (lung pathway) 4 structure of the heart heart size – about 14 cm x 9 cm (the size of a fist). located in the mediastinum. between the 2 nd rib and.
Ppt Chapter 18 Anatomy Of The Cardiovascular System Powerpoint Cardiovascular system. the document discusses the cardiovascular system and heart. it describes how the cardiovascular system transports blood throughout the body using the heart as a pump. it then provides details on the structure and layers of the heart, how it functions as a double pump with two circuits (pulmonary and systemic), and the. The cardiovascular system consists of the heart and blood vessels that circulate blood throughout the body. the heart has four chambers and uses valves to ensure one way blood flow. it is regulated by the autonomic nervous system. during each cardiac cycle, the atria contract followed by ventricular contraction that pumps blood out of the heart. Cardiovascular structures. human heart surface anatomy of the human heart. the heart is demarcated by: 1. a point 9 cm to the left of the midsternal line (lower left or apex of the heart) 2. the seventh right sternocostal articulation (lower right side of heart) 3. the upper border of the third right costal cartilage 1 cm from the right. Respiratory zone. in contrast to the conducting zone, the respiratory zone includes structures that are directly involved in gas exchange. the respiratory zone begins where the terminal bronchioles join a respiratory bronchiole, the smallest type of bronchiole (figure 22.10), which then leads to an alveolar duct, opening into a cluster of alveoli.
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