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Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

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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.

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The average adult has about 21 square feet of skin.

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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

The chromosomal basis of allele segregation. The chromosomal basis of allele segregation.
A phylogenetic tree showing the major eukaryotic supergroups. A phylogenetic tree showing the major eukaryotic supergroups.
Notice the reddish-brown haze caused by nitrogen oxides that is often over many major cities. Notice the reddish-brown haze caused by nitrogen oxides that is often over many major cities.
A close relationship between greenhouse gas emissions and a country’s gross domestic product A close relationship between greenhouse gas emissions and a country’s gross domestic product
Major Structures of the Eye Major Structures of the Eye
(a) Summary of major pathways of organic metabolism. Cells continually synthesize and break down car (a) Summary of major pathways of organic metabolism. Cells continually synthesize and break down car
Video: Female Reproductive System - Hormonal regulation (GnRH) الجهاز التناسلي للأنثى - التنظيم الهرموني

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