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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

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There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

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People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

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Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Lung Fissures, Anterior View Lung Fissures, Anterior View
Thick filaments are bipolar structures created by the association of many myosin molecules Thick filaments are bipolar structures created by the association of many myosin molecules
Ventral View of the Spinal Column Ventral View of the Spinal Column
Midsagittal or median plane along with a sagittal view of the head. Midsagittal or median plane along with a sagittal view of the head.
Exterior View of Tholos, The So-called Treasury of Atreus Exterior View of Tholos, The So-called Treasury of Atreus
Ligaments and Intervertebral Discs of the Spine Lateral View of the Spinal Column (Anterior to the R Ligaments and Intervertebral Discs of the Spine Lateral View of the Spinal Column (Anterior to the R
Video: The Lac Operon in E. Coli

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