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31 Οκτ 2024 · heart, organ that serves as a pump to circulate the blood. It may be a straight tube, as in spiders and annelid worms, or a somewhat more elaborate structure with one or more receiving chambers (atria) and a main pumping chamber (ventricle), as in mollusks.
- Heart Summary
The human heart is a four-chambered double pump with its...
- Human Organs Quiz
Question: On average, how many times does the human heart...
- Systole
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- Heart Sounds
Ask the Chatbot a Question Ask the Chatbot a Question heart...
- The Human Body Quiz
The right lung has three major lobes; the left lung, which...
- Chambered Heart
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- Coronary Heart Disease
coronary heart disease, disease characterized by an...
- Diastole
diastole, in the cardiac cycle, period of relaxation of the...
- Heart Summary
4 Οκτ 2019 · Function of the Heart The heart pumps blood through our immense and complicated circulatory systems at high pressure. It is a truly impressive feat of engineering, as it must circulate about five liters of blood through a full 1,000 miles worth of blood vessels each minute!
Learn about the human heart, a muscular organ that pumps blood throughout the body in a process called circulation. Explore the structure, types and functions of the heart, and the valves, chambers and blood vessels involved in the process.
Your heart’s main function is to move blood throughout your body. Blood brings oxygen and nutrients to your cells. It also takes away carbon dioxide and other waste so other organs can dispose of them. Your heart also: Controls the rhythm and speed of your heart rate. Maintains your blood pressure.
30 Σεπ 2020 · The human heart is a finely-tuned instrument that serves the whole body. It is a muscular organ around the size of a closed fist, and it sits in the chest, slightly to the left of center.
The heart is a muscular organ found in most animals. This organ pumps blood through the blood vessels. [1] Heart and blood vessels together make the circulatory system. [2] The pumped blood carries oxygen and nutrients to the tissue, while carrying metabolic waste such as carbon dioxide to the lungs. [3]
The left and right sides of the heart have different functions: the right side receives de-oxygenated blood through the superior and inferior venae cavae and pumps blood to the lungs through the pulmonary artery, and the left side receives saturated blood from the lungs.
