the heart is a hollow ____________-shaped muscular pump within the ____________ cavity
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- Heart: The heart is a hollow, __cone__-shaped, muscular pump within the _thoracic_____ cavity. The average adult heart is __14_____ cm long and _____9______ cm wide. The heart lies in the ___mediastinum_____ under the sternum; its apex extends to the ___fifth_ intercostal space.t the base of the heart, the inner layer folds back to become the _parietal___ pericardium that lines the. tough outer layer. Between the two pericardia is a potential space called the __pericardial_ cavity and filled with _serous fluid.
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Sphygmomanometer Ventricle, muscular chamber that pumps blood out of the heart and into the circulatory system. Ventricles occur among some invertebrates. Among vertebrates, fishes and amphibians generally have a single ventricle, while reptiles, birds, and mammals have two.
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Heart The heart is a muscular organ in humans and other animals, which pumps blood through the blood vessels of the circulatory system. Blood provides the body with oxygen and nutrients, and also assists in the removal of metabolic wastes.The heart is located in the middle compartment of the mediastinum in the chest.lood in the pulmonary circulation exchanges carbon dioxide for oxygen in the lungs through the process of respiration. The systemic circulation then transports oxygen to the body and returns carbon dioxide and relatively deoxygenated blood to the heart for transfer to the lungs.
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- Answer: -Located in the thoracic cavity and it is medial to the lungs, anterior to the vertebral column & posterior to the sternum. -Hearts distal end extends downward & to the left. -Size of an average adult heart is 14cm long & 9 cm wide.-described as a hollow muscular pump.Located in the thoracic cavity and it is medial to the lungs, anterior to the vertebral column & posterior to the sternum. -Hearts distal end extends downward & to the left. -Size of an average adult heart is 14cm long & 9 cm wide.
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- The pump the drives the cardiovascular system is your heart. The hearts muscles, the among most powerful in your body, drives blood down your trunk, your legs, in and out of your arms, throughout every organ in your body.
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Is the heart a muscle or an organ? Your heart is a muscular organ that pumps blood to your body. Your heart is at the center of your circulatory system. This system consists of a network of blood vessels, such as arteries, veins, and capillaries. These blood vessels carry blood to and from all areas of your body. An electrical system controls your heart and uses electrical signals to contract the heart's walls. When the walls contract, blood is pumped into your circulatory system.
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- The heart is a muscular organ in humans and other animals, which pumps blood through the blood vessels of the circulatory system. Blood provides the body with oxygen and nutrients, and also assists in the removal of metabolic wastes.
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- Location of the Heart. The center of the circulatory system is the heart, which is the main pumping mechanism. The heart is made of muscle. The heart is shaped something like a cone, with a pointed bottom and a round top. It is hollow so that it can fill up with blood.
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Muscular System The heart is a muscular organ about the size of a fist, located just behind and slightly left of the breastbone. The heart pumps blood through the network of arteries and veins called the cardiovascular system.
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Picture of the Heart 1 The left atrium receives oxygenated blood from the lungs and pumps it to the left ventricle. 2  The left ventricle (the strongest chamber) pumps oxygen-rich blood to the rest of the body. 3  The left ventricle’s vigorous contractions create our blood pressure. 2014 WebMD, LLC. All rights reserved. The heart is a muscular organ about the size of a fist, located just behind and slightly left of the breastbone. The heart pumps blood through the network of arteries and veins called the cardiovascular system.
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Overview How the heart works. Your heart is a pump. It's a muscular organ about the size of your fist, situated slightly left of center in your chest. Your heart is divided into the right and the left side. The division protects oxygen-rich blood from mixing with oxygen-poor blood.
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Heart The size of the heart varies among the different animal groups, with hearts in vertebrates ranging from those of the smallest mice (12 mg) to the blue whale (600 kg). In vertebrates, the heart lies in the middle of the ventral part of the body, surrounded by a pericardium. which in some fish may be connected to the peritoneum.
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The Structure of the Heart The heart is a muscular cone-shaped organ about the size of a clenched fist of the same person. It is located in the upper body (chest area) between the lungs, and with its pointed end (called the apex) downwards, forwards, and points towards the left. The main purpose of the heart is to pump up blood around the body.
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- In vertebrates and the higher invertebrates, heart chamber that receives blood into the heart and drives it into a ventricle, or chamber, for pumping blood away from the heart....
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Heart The heart is a muscular organ in humans and other animals, which pumps blood through the blood vessels of the circulatory system. Blood provides the body with oxygen and nutrients, as well as assists in the removal of metabolic wastes. In humans, the heart is located between the lungs, in the middle compartment of the chest. In humans, other mammals, and birds, the heart is divided into four chambers: upper left and right atria; and lower left and right ventricles.
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Heart The heart is a muscular organ in humans and other animals, which pumps blood through the blood vessels of the circulatory system. Blood provides the body with oxygen and nutrients, and also assists in the removal of metabolic wastes. The heart is located in the middle compartment of the mediastinum in the chest.
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Electrocardiogram (ECG, EKG) Interpretation The heart is a muscular pump that circulates blood through an animal's body. A person's heart is typically about the same size as their fist. The heart consists of four chambers. The upper heart is the atria (two atrial chambers) and the lower part is the ventricles (two ventricular chambers).
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Heart The heart is cone-shaped, with its base positioned upwards and tapering down to the apex. An adult heart has a mass of 250–350 grams (9–12 oz). The heart is typically the size of a fist: 12 cm (5 in) in length, 8 cm (3.5 in) wide, and 6 cm (2.5 in) in thickness. Well-trained athletes can have much larger hearts due to the effects of exercise on the heart muscle, similar to the response of skeletal muscle.
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- GALL BLADDER: A small, pear-shaped muscular sac, located under the right lobe of the liver, in which bile secreted by the liver is stored until needed by the body for digestion. HEART: The chambered muscular organ that pumps blood received from the veins into the arteries, thereby maintaining the flow of blood through the entire circulatory system to supply oxygen to the body.
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- Anatomy of the Heart. Your heart is located under your ribcage in the center of your chest between your right and left lungs. Its muscular walls beat, or contract, pumping blood to all parts of your body. The size of your heart can vary depending on your age, size, and the condition of your heart. A normal, healthy, adult heart usually is the size of an average clenched adult fist. Some diseases can cause the heart to enlarge.
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Human Physiology/Print Version The heart is a hollow muscular organ. The heart is a hollow muscular organ located in the center of the chest. The right and left heart each has an upper chamber (atrium which collects blood and the lower chamber (ventricle) that draws blood.
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Cardiac skeleton From Wikipedia, the free encyclopedia. The cardiac skeleton, also known as the fibrous skeleton of the heart, is a high density single structure of connective tissue that forms and anchors the valves and influences the forces exerted through them.he cardiac skeleton consists of four bands of dense connective tissue, as collagen, that encircle the bases of the pulmonary trunk, aorta, and heart valves.
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- The heart is located under the rib cage, to the left of the breastbone (sternum) and between the lungs. Your heart is an amazing organ. Shaped like an upside-down pear, this fist-sized powerhouse pumps five or six quarts of blood each minute to all parts of your body. 1  Outside the Heart.Get a larger view. Looking at the outside of the heart, you can see the heart is made of muscle. The strong muscular walls contract (squeeze), pumping blood to the arteries.The major blood vessels that enter the heart include: 1  aorta. 2  superior vena cava. 3  inferior vena cava.he heart is located under the rib cage, to the left of the breastbone (sternum) and between the lungs. Your heart is an amazing organ. Shaped like an upside-down pear, this fist-sized powerhouse pumps five or six quarts of blood each minute to all parts of your body. 1  Outside the Heart.
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- About Your Heart. The heart is the organ responsible for pumping blood through the lungs and body, and is located in the chest cavity behind the breast bone, known as the sternum. The heart is divided into the right and the left side, with each side composed of an atrium and a ventricle.
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Heart The heart is a muscular organ that pumps blood throughout the body, with a rhythm determined by a group of pacemaking cells in the sinoatrial node. These generate a current that causes contraction of the heart, traveling through the atrioventricular node and along the conduction system of the heart.