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About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.
Blood is approximately twice as thick as water because of the cells and other components found in it.
All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
![Clockwise from above left: Green turtle (Chelonia mydas), Tuatara (Sphenodon punctatus), Nile Crocod](https://biology-forums.com/gallery/47/medium_27759_23_04_12_7_58_52.jpeg)
![Hydronephrosis. Normal kidney (left) and kidney with hydronephrosis (right) are compared. Note the d](https://biology-forums.com/gallery/47/medium_14755_26_10_12_5_19_56_96622215.jpeg)