Tag: transportation - the circulatory system
Questions Related to transportation - the circulatory system
In humans, blood vascular system has
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Double circulation
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Venous heart
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Arterial heart
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Arteriovenous heart
Serum is
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Blood minus fibrinogen
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Lymph minus corpuscles
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Lymph
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Blood minus corpuscles and fibrinogen.
Both avian and mammalian hearts are four chambered. The anatomy and physiology of heart is described by
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Blood always enters into an atrium and then is pumped into a ventricle.
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Blood pressure alternates between systolic pressure and diastolic pressure.
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The atria provide one pump and the ventricles provide a second pump.
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The heart sends blood out through arteries and retrieves blood through veins.
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The heart pumps blood simultaneously through a pulmonary circuit and a systemic circuit.
Double circulation of blood is exhibited exclusively by mammals and aves as they have a four-chambered heart. it includes systemic and pulmonary circulation. Systemic circulation includes pumping of oxygenated blood to the whole body from heart and transport of deoxygenated blood from the body to heart for oxygenation. The pulmonary circuit includes pumping of deoxygenated blood from the heart to lung for oxygenation followed by its pumping to heart. This is how four chambered heart keeps oxygenated and deoxygenated blood separate via these two circulations.
Right aortic arch is found in
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Mammals
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Birds
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Mammals and birds
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Reptiles
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