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Author Question: The typical activities that cultural and heritage tourism provides are the following except: (Read 56 times) |
Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.