The upper gastrointestinal tract

During swallowing food travels from the mouth cavity into the stomach.

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Knee joint

The knee joint is made up by the femur, the tibia and the kneecap.

Tooth brushing

Careful tooth brushing is an important part of oral hygiene.

Human teeth

Humans have 4 types of teeth: incisors, canines, premolars and molars.

Types of bone articulations

Human bones are joined together by cartilaginous or synovial joints, sutures or they can...

Mechanism of taste reception

Taste receptors convert chemical stimuli into electric signals.

Glands connected to the duodenum

The pancreas and the liver empty digestive juices into the duodenum.

Patellar reflex

The reflex triggered by the stretching of the extensor muscle is the patellar reflex.

Colour vision deficiency

The inability to differentiate certain shades of colour is called colour vision deficiency.

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