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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.
Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.
Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.
![Apply effleurage to hamstring muscles with fists from just above the popliteal fossa to the superior ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_12_54_27_330611730.jpeg)
![Straighten the leg and effleurage to quadriceps with forearm. Apply in three parallel strokes from ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_5_45_17_332431740.jpeg)