|
|
Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.
If you could remove all of your skin, it would weigh up to 5 pounds.
Vaccines prevent between 2.5 and 4 million deaths every year.
Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.
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.
![An oscillating needle 1 or 2 inches Hg below normal could indicate an incorrect air–fuel mixture ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_4_15_51_29687328.png)
![Cross section of a typical port fuel-injection nozzle assembly. These injectors are serviced as an ...](https://biology-forums.com/gallery/30/medium_548020_30_05_17_11_26_23_30000237.png)