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Human blood consists of blood cells and plasma.
This lesson helps you understand the process of hearing.
The arms are moved by flexor and extensor muscles.
This animation demonstrates the fine molecular structure and mechanism of muscles.
Humans have 4 types of teeth: incisors, canines, premolars and molars.
Thanks to advances in medicine and our constantly deepening knowledge of biology, we are living...
This lesson presents mutation types, their frequency and underlying causes.
Scoliosis is a medical condition in which a person's spine has a lateral deviation.