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Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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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 familiar sounds of your heart are made by the heart's valves as they open and close.

L-type calcium channel: (a) Calcium channel opens when an action potential passes across the ... L-type calcium channel: (a) Calcium channel opens when an action potential passes across the ...
The coolant temperature is controlled by the thermostat, which opens and allows coolant to flow to ... The coolant temperature is controlled by the thermostat, which opens and allows coolant to flow to ...
A point-type ignition system showing the distributor cam which opens the points A point-type ignition system showing the distributor cam which opens the points
When the EGR valve opens, exhaust gases flow through the valve and into passages in the intake ... When the EGR valve opens, exhaust gases flow through the valve and into passages in the intake ...
An OBD-II active test. The PCM opens the EGR valve and then monitors the MAP sensor and/or engine ... An OBD-II active test. The PCM opens the EGR valve and then monitors the MAP sensor and/or engine ...
An ice-free summer opens the Arctic for exploration An ice-free summer opens the Arctic for exploration
Video: Structures that affect circulation - heart and systolic/diastolic BP

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