|
|
Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.
People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.
Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.
![An intra-aortic balloon pump increases circulation to the coronary arteries and decreases the worklo](https://biology-forums.com/gallery/47/medium_18099_24_10_12_3_12_10.jpeg)
![The left-hand rule states that if a coil is grasped with the left hand, the fingers will point in ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_6_52_55_29820644.png)