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Did you know?

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

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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

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As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Types of movement across a biological membrane. Types of movement across a biological membrane.
Sagittal section of upper respiratory system illustrating the internal anatomy of the nasal cavity, Sagittal section of upper respiratory system illustrating the internal anatomy of the nasal cavity,
40.04 Internal Surfaces 40.04 Internal Surfaces
Gravity Gravity
The social movement that centers on the environment has become global. In all nations, people are ... The social movement that centers on the environment has become global. In all nations, people are ...
Internal Anatomy of the Spinal Cord Internal Anatomy of the Spinal Cord
Video: Bulk flow - factors that influence bulk flow

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