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When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

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Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

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Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

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There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

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Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Unique markings identify individual humpback whales. Unique markings identify individual humpback whales.
Identify the structures shown below by filling in the blanks. Identify the structures shown below by filling in the blanks.
Using alert labels enables the medical staff to quickly identify important information such as ... Using alert labels enables the medical staff to quickly identify important information such as ...
Doty's data show a very rapid drop in late adulthood in the ability to identify smells Doty's data show a very rapid drop in late adulthood in the ability to identify smells
Can you identify the banding patterns predicted by each model after the first round of ... Can you identify the banding patterns predicted by each model after the first round of ...
Identify the junction nodes in the circuit shown in Figure 21-1. Identify the junction nodes in the circuit shown in Figure 21-1.
Video: Resting membrane potential - electrical polarity and maintenance requirements

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