|
|
Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.
Did you know?
The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
Did you know?
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
Did you know?
It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
![Photograph of a child with a cochlear implant. This device sends electrical impulses directly to the](https://biology-forums.com/gallery/47/medium_14755_27_08_12_12_28_13_8211254.jpeg)
![Measles. A photograph of a child stricken with measles, showing the tell-tale sign of the skin rash.](https://biology-forums.com/gallery/47/medium_14755_11_11_12_7_18_46_100422144.jpeg)