Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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On average, the stomach produces 2 L of hydrochloric acid per day.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.
Relationships and diversification of the Bacteria and Archaea.
Bacteria Diagram
Bacteria
Petri dish containing fecal bacteria cultures.
Photomicrograph of Streptococcus pyogenes bacteria, 900x Mag. A pus specimen, viewed using ...
The DNA of S-type bacteria can transform R-type bacteria into the same S type.