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Author Question: You are educating elementary school teachers on dietary requirements for students. You instruct them ... (Read 59 times) |
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.
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.
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.