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Study with Quizlet and memorize flashcards containing terms like Trace the pathway of blood through the heart, Compare the pulmonary and systemic circuits, Explain the operation of the heart vavles and more.
Study with Quizlet and memorize flashcards containing terms like Base of the Heart, Apex of the Heart, Coronary Sulcus and more.
Terms in this set (15) Superior Vena Cava. #1 Carries deoxygenated blood from the body. Aorta. #2 Artery that carries blood directly from the heart to the rest of the body. Pulmonary Trunk. #3 Carries blood from right ventricle to pulmonary arteries. Right Atrium. #4 pumps blood from vena cava into right ventricle.
19.1 Heart Anatomy - Anatomy and Physiology 2e | OpenStax. Highlights. Learning Objectives. By the end of this section, you will be able to: Describe the location and position of the heart within the body cavity. Describe the internal and external anatomy of the heart. Identify the tissue layers of the heart.
Oct 31, 2024 · Heart, organ that serves as a pump to circulate the blood. It may be as simple as a straight tube, as in spiders and annelid worms, or as complex as the four-chambered double pump that is the center of the circulatory system in humans, other mammals, and birds.
The shape of the heart is similar to a pinecone, broad at the superior surface (called the base) and tapering to the apex. A typical heart is approximately the size of your fist: 12 cm (5 in) in length, 8 cm (3.5 in) wide, and 6 cm (2.5 in) in thickness.
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Oct 4, 2019 · Heart Definition. The heart is a muscular organ that pumps blood throughout the body. It is located in the middle cavity of the chest, between the lungs. In most people, the heart is located on the left side of the chest, beneath the breastbone. The heart is composed of smooth muscle.