The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Did you know?
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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If you could remove all of your skin, it would weigh up to 5 pounds.
Did you know?
Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
Did you know?
In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.
Eye Color Is a Sex-Linked Trait in Drosophila (Part 3)
Skin color variations
Remove cold source, and check the knee for changes. Notice skin color and changes in swelling around ...