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There are 20 feet of blood vessels in each square inch of human skin.

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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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Excessive alcohol use costs the country approximately $235 billion every year.

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Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Examples of variation in leaf form. Examples of variation in leaf form.
Some of the bacteria that can fix atmospheric nitrogen, converting it into a form usable by plants. Some of the bacteria that can fix atmospheric nitrogen, converting it into a form usable by plants.
Thick-walled barrel-shaped arthrospores on thin glass like hyphae; the room-temperature form of ... Thick-walled barrel-shaped arthrospores on thin glass like hyphae; the room-temperature form of ...
Jostling. A form of coarse vibration that includes mobilizing joints. Jostling. A form of coarse vibration that includes mobilizing joints.
How to sketch a quadratic equation that is in standard form (Question 1) How to sketch a quadratic equation that is in standard form (Question 1)
Z/W inheritance of feather form in poultry is revealed by analysis of reciprocal crosses Z/W inheritance of feather form in poultry is revealed by analysis of reciprocal crosses
Video: Ionic bonds - role of ions in the body

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