When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.
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Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
The Configuration, Normal Pressures, and Oxygen Content of the Heart Chambers
Conduction system of the heart.
Acceptable ranges of respiratory rate
The Heart
Chambers of the Heart
The radius of the Sun is 6.95 × 108 m. It radiates heat at the rate of 5.32 x 10