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The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

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Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

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Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

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People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

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The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Prokaryotic cell structure Prokaryotic cell structure
Single blood cell Single blood cell
Antineoplastic agents and the cell cycle Antineoplastic agents and the cell cycle
EEG and Single-Cell Activity EEG and Single-Cell Activity
Cell Grown in 15N and 14 N: Graph of Relative DNA Concentration Vs. the Density Cell Grown in 15N and 14 N: Graph of Relative DNA Concentration Vs. the Density
Control of the cell cycle by cyclin-dependent kinases, and the checkpoints at which they operate Control of the cell cycle by cyclin-dependent kinases, and the checkpoints at which they operate
Video: Oxygen transport: association and dissociation & Factors that affect hemoglobin's saturation with O2

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