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Blood is approximately twice as thick as water because of the cells and other components found in it.

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For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

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Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

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Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Platycnemididae are a family of damselfly called white-legged damselflies. Platycnemididae are a family of damselfly called white-legged damselflies.
Adipose tissue Adipose tissue
Burn Degree By Tissue Layer Burn Degree By Tissue Layer
The integument: the epidermis, dermis, subcutaneous tissue, and its appendages. The integument: the epidermis, dermis, subcutaneous tissue, and its appendages.
(a) Multiple myeloma: Tumor of plasma cells. (b) Myeloma cells grow within the bone and lesions can ... (a) Multiple myeloma: Tumor of plasma cells. (b) Myeloma cells grow within the bone and lesions can ...
Blood tissue Blood tissue
Video: How eudicots (true dicots) differ from monocots Animation

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