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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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Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

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Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Absorption column with all inlet and outlet feeds Absorption column with all inlet and outlet feeds
Symptoms and Signs Associated with Damage to Nerves in Different Areas of the Spinal Column Symptoms and Signs Associated with Damage to Nerves in Different Areas of the Spinal Column
Schematic of the rectifying column Schematic of the rectifying column
Vertebral column. Avoid heavy pressure directly over spinous processes. Vertebral column. Avoid heavy pressure directly over spinous processes.
Plant Biology Worksheet Plant Biology Worksheet
Prove the argument using two column proof numbers 2 and 5 only. Prove the argument using two column proof numbers 2 and 5 only.
Video: Introduction to Tuberculosis

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