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Author Question: A pregnant woman with a life-threatening condition must take medication that can cause harm to her ... (Read 19 times) |
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
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.
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
Green tea is able to stop the scent of garlic or onion from causing bad breath.
Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.