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The human brain

The human brain

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

Bioloģija

Atslēgvārdi

smadzenes, smadzeņu garozs, smadzeņu puslodē, galvas smadzenes, smadzenītes, medulla pagarināts, vidussmadzenēs, tilts, talāmu, frontālā daiva, parietāla daiva, hipofīzes dziedzeris, corpus Callosum, garīgā daiva, pakauša dibens, muguras smadzenes, mugurkaula nervs, smadzeņu kapacitāte, cilvēks, orgāns, Bioloģija

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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.

Cortical organisation of speech

Producing speech requires the synchronised operation of several cortical centres.

Nervous system

The central nervous system consists of the brain and the spinal cord, the peripheral nervous system consists of nerves and ganglia.

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.

Cilvēka ķermenis (vīrietis)

Šī animācija iepazīstina ar cilvēka ķermeņa svarīgākajām orgānu sistēmām.

Circulatory system

Systemic circulation carries oxygenated blood from the heart to the body, while pulmonary circulation carries oxygenated blood from the lungs to the heart.

Hypothalamic-pituitary axis

The Hypothalamic-pituitary axis is the regulating centre of our endocrine system.

Knee joint

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

Limbic system

The limbic system plays an important role in forming emotions and in learning.

Medical conditions of the spine

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

Middle ear infection, otitis media

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

Neurons, nervous tissue

Neurons are cells specialised for transmitting electric signals.

Patellar reflex

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

Synaptic transmission

Neurons transmit electrical signals via chemical and electrical synapses.

The ear and the mechanism of hearing

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

The heart

The heart is the central pump of the cardiovascular system beating several billion times over our lifetime.

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.

The ventricular system and the main brain regions

This animation demonstrates the internal structure of the brain.

Vertebrate brain evolution

During the evolution of vertebrates the relative development of brain areas has changed.

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