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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.
Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.
Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.
Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.
Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.
![A blood smear. The smear reveals representative cells from each formed element group: red blood cell](https://biology-forums.com/gallery/47/medium_14755_11_11_12_7_18_43_100341996.jpeg)
![Standing at the head of the table, apply oil or lotion to the entire back with bilateral stroking. ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_3_43_18_331731783.jpeg)