The ear and the mechanism of hearing

The ear converts the vibrations of air into electric signals which are then processed by the brain.

Related extras

Glands connected to the duodenum

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


The zygote is the initial cell formed when two gamete cells are joined by means of sexual...

Cortical organization of speech

Producing speech requires the synchronized operation of several cortical centers.

The adrenal glands

The adrenal glands are responsible for maintaining homeostasis and producing a rapid...

Eating healthy

The composition, operation and stamina of the human body and the way one feels greatly depend on...


How does our body gain access to the vitamins it needs?

Tooth brushing

Careful tooth brushing is an important part of oral hygiene.

The ventricular system and the main brain regions

This animation demonstrates the internal structure of the brain.

Added to your cart.