Careful tooth brushing is an important part of oral hygiene.
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Tools for tooth brushing
Humans have 4 types of teeth: incisors, canines, premolars and molars.
Connective tissues include loose and dense connective tissues, adipose tissue, blood, tendon and bone tissue.
The dentition of different species of mammals reflect their feeding habits.
This animation demonstrates how a washing machine works.
The first section of the gastrointestinal tract comprises the oral cavity, the pharynx and the esophagus.
During swallowing food travels from the mouth cavity into the stomach.
When producing sound, the vocal cords are vibrated by the air flowing out of the lung.
This animation helps you learn the basics of healthy eating.