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Your heart beats over 36 million times a year.
The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.
The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
![Forms of primary adult glaucoma: (a) in chronic open-angle glaucoma, the anterior chamber angle rema](https://biology-forums.com/gallery/47/medium_46687_29_12_14_8_44_31_1980050.jpeg)
![Rub for at least 15 seconds. Particles and pathogens become suspended in the soapy lather and are ...](https://biology-forums.com/gallery/32/medium_380798_22_08_17_8_58_49_329191513.jpeg)