The sperm of a fruit fly can be as long as the body of the male fly, about 1.1 mm. On the other hand, of the vast number of mammals humans have one of the smallest sperm cells, measuring only 40 microns long. Rats produce one of the largest sperm at 170 microns long.
The following medications may cause potassium levels to rise: 1  Nonsteroidal anti-inflammatory drugs (NSAIDs): People who have poor kidney function and take NSAIDs are at higher risk. 2  ACE inhibitors: These drugs treat high blood pressure, heart disease, diabetes, some chronic kidney diseases, migraines, and scleroderma.
Hypokalemia is not commonly caused by poor dietary intake. The most common reason that potassium levels fall is due to the loss from the gastrointestinal (GI) tract and the kidney. Potassium loss from the GI tract may be caused by: 1  Vomiting. 2  Diarrhea. 3  Ileostomy: In some patients who have had bowel surgery and have an ileostomy, the stool output can contain significant amounts of potassium. 4  Villous adenoma (a type of colon polyp that can cause the colon to leak potassium). 5  Laxative use.