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In vertebrates, the circulatory system is a system of organs that includes the heart, blood vessels, and blood which is circulated throughout the body. [ 1 ] [ 2 ] It includes the cardiovascular system , or vascular system , that consists of the heart and blood vessels (from Greek kardia meaning heart , and Latin vascula meaning vessels ).
Baxter played his usual role as "Dr. Research", the resident scientist in the film series. Richard Carlson played the other recurring character, a writer for television. . Several well-known voice artists were employed for the animated sequences, including Marvin Miller as the title character, H
Cardiac physiology or heart function is the study of healthy, unimpaired function of the heart: involving blood flow; myocardium structure; the electrical conduction system of the heart; the cardiac cycle and cardiac output and how these interact and depend on one another.
In a normal circulatory system, the volume of blood returning to the heart each minute is approximately equal to the volume that is pumped out each minute (the cardiac output). [12] Because of this, the velocity of blood flow across each level of the circulatory system is primarily determined by the total cross-sectional area of that level.
A heart near to the head (short heart-to-head distance) and a long tail with tight integument favor blood perfusion to the head. [ 112 ] [ 113 ] As in humans, blood pressure in animals differs by age, sex, time of day, and environmental circumstances: [ 114 ] [ 115 ] measurements made in laboratories or under anesthesia may not be ...
For a healthy heart, the best breakfast is one that provides 20% to 30% of daily calorie intake, while wating either less or more may increase certain cardiometabolic risk factors in older adults.
The circulatory system uses the channel of blood vessels to deliver blood to all parts of the body. This is a result of the left and right sides of the heart working together to allow blood to flow continuously to the lungs and other parts of the body. Oxygen-poor blood enters the right side of the heart through two large veins.
Cardiovascular physiology is the study of the cardiovascular system, specifically addressing the physiology of the heart ("cardio") and blood vessels ("vascular"). These subjects are sometimes addressed separately, under the names cardiac physiology and circulatory physiology .
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