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Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Range of Motion of the Cervical Spine, Rotation Range of Motion of the Cervical Spine, Rotation
Cervical Cervical
Greatly enlarged cervical lymph nodes due to Hodgkin’s lymphoma. Greatly enlarged cervical lymph nodes due to Hodgkin’s lymphoma.
(a) Lymph node and (b) the palpation of cervical lymph nodes for enlargement due to infection. (a) Lymph node and (b) the palpation of cervical lymph nodes for enlargement due to infection.
Right posterolateral view of articulated vertebrae Right posterolateral view of articulated vertebrae
Right lateral view of several articulated thoracic vertebrae Right lateral view of several articulated thoracic vertebrae
Video: Ionic bonds - role of ions in the body

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