The ear and the mechanism of hearing

The ear and the mechanism of hearing

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

Sinh học


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Bổ sung liên quan


Bổ sung liên quan

Middle ear infection, otitis media

This animation shows the symptoms and treatment of secretory otitis media.

The sense of balance

The position and acceleration of the head is detected by the inner ear.

Mechanism of taste reception

Taste receptors convert chemical stimuli into electric signals.

Nose, the mechanism of smelling

Olfactory receptors produce electric signals when stimulated by odours.

The human eye

The eye is one of our most important sense organs. When stimulated by light, electric impulses are produced by its receptors.

The mechanism of vision

The curvature of the lens of the eye changes when we look at a distant or at a near object, to ensure a sharp image.

Anatomy of the spinal cord

The spinal cord is the part of the central nervous system running inside the spinal column from which spinal nerves branch out.

Bones of the lower limbs

Bones of the lower limbs are connected to the trunk by the pelvis.

Bones of the upper limbs

Bones of the upper limbs form the pectoral girdle and the arms.

Characteristics of sound waves

This animation explains the most important characteristics of waves through sound waves.

Cortical organisation of speech

Producing speech requires the synchronised operation of several cortical centres.

Human body (male)

This animation introduces the most important organ systems of the human body.

Knee joint

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

Medical conditions of the spine

Scoliosis is a medical condition in which a person's spine has a lateral deviation.

Parts of the human brain

The main parts of the human brain are the brain stem, the cerebellum, the diencephalon, and the cerebrum, which is divided into lobes.

Patellar reflex

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

Prenatal development

This animation demonstrates the development of the human embryo and foetus.


The recorder is a woodwind musical instrument, a type of fipple flute.

The human brain

The main parts of the human brain are the brain stem, the cerebellum, the diencephalon, and the cerebrum.

The sense organs

Organs that detect signals of the environment or of the body and transmit them to the brain as nerve impulses.

The skull and the spine

The two main parts of the central nervous system, the brain and the spinal cord are protected by the skull and the spinal column.

Types of bone articulations

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

Vision correction

Concave and convex lenses are used for the correction of shortsightedness and farsightedness.

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