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Hace 4 días · 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.
- Heart
The heart is the organ, or body part, that pumps blood...
- Diastole
diastole, in the cardiac cycle, period of relaxation of the...
- Ventricle
Ventricle, muscular chamber that pumps blood out of the...
- Systole
systole, period of contraction of the ventricles of the...
- Atrium
Atrium, in vertebrates and the higher invertebrates, heart...
- Chambers
Other articles where chamber is discussed: cardiovascular...
- Pericardium
In cardiovascular disease: Rheumatic heart disease …lining),...
- Sinoatrial
Other articles where sinoatrial node is discussed: mammal:...
- Heart
Hace 3 días · Metropolis is a 1927 German expressionist science-fiction silent film directed by Fritz Lang and written by Thea von Harbou in collaboration with Lang [4] [5] from von Harbou's 1925 novel of the same name (which was intentionally written as a treatment ). It stars Gustav Fröhlich, Alfred Abel, Rudolf Klein-Rogge, and Brigitte Helm.
2 de jul. de 2024 · Match the action of the AV and semilunar heart valves with the correct statement regarding pressure differences in the heart chambers. Click the card to flip 👆. Atrial pressure is greater than ventricular pressure: AV valve opens. Ventricular pressure rises above atrial pressure: AV valve closes.
Hace 6 días · There are 2 primary circulatory loops in the human body: the pulmonary circulation loop and the systemic circulation loop. Pulmonary circulation transports deoxygenated blood from the right side of the heart to the lungs, where the blood picks up oxygen and returns to the left side of the heart.
Hace 4 días · The heart is a muscular organ found in most animals. This organ pumps blood through the blood vessels of the circulatory system. The pumped blood carries oxygen and nutrients to the body, while carrying metabolic waste such as carbon dioxide to the lungs.
24 de jun. de 2024 · The wall of the heart consists of three distinct layers—the epicardium (outer layer), the myocardium (middle layer), and the endocardium (inner layer). Coronary vessels supplying arterial blood to the heart penetrate the epicardium before entering the myocardium.
29 de jun. de 2024 · Study with Quizlet and memorize flashcards containing terms like When someone begins to hyperventilate, the increased movements of their respiratory muscles _____ venous return of blood to the heart., About 70% of the CO2 that diffuses into systemic capillaries, airway obstruction can lead to hypoventilation which can cause and more.
