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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.
Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.
Everyone has one nostril that is larger than the other.
The horizontal fraction bar was introduced by the Arabs.
The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.
![Direct pressure to deep rotator muscles using the elbow. Use the elbow tip to apply pressure moving ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_5_40_29_33226810.jpeg)
![Use of the elbow to apply pressure to trigger points in the trapezius with the receiver in sitting ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_8_38_11_334481741.jpeg)