The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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The human body produces and destroys 15 million blood cells every second.
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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
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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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Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.
Difference between Asian (left) and African (right) elephant ears.
Percussion Patterns, Left Lateral Thorax
Left Brain, Right Brain
Arteriogram of the left carotid artery and cerebral arteries.
Shingles effleurage with hands parallel to the spine and to the direction of movement.
The human X chromosome (left) and the Y chromosome (right). This false-color scanning electron micro