Nervous system

Nervous system

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

Biologija

Raktiniai žodžiai

nervų sistema, smegenys, Galvos smegenys, galvos smegenų nervas, Smegenėlė, smegenų kamienas, Nervas, Nugaros smegenys, Diencephalon, Ganglionas, Kaukolė, Stuburo dalis, žmogus, biologija

Susiję elementai

Vaizdai

Susiję elementai

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.

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.

The human brain

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

The ventricular system and the main brain regions

This animation demonstrates the internal structure of the brain.

Cortical organisation of speech

Producing speech requires the synchronised operation of several cortical centres.

Patellar reflex

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

The withdrawal reflex

The withdrawal reflex is a spinal reflex that ensures moving away from potentially damaging stimuli.

Žmogaus kūnas (moters)

Šioje animacijoje vaizduojamos svarbiausios žmogaus kūno sistemos.

Adrenaline (advanced)

Adrenaline, also known as epinephrine, is a hormone produced in our body in stressful situations and plays an important role in the fight-or-flight response.

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.

Colour vision deficiency

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

Connective tissues

Connective tissues include loose and dense connective tissues, adipose tissue, blood, tendon and bone tissue.

Endocrine system

Glands of the endocrine system secrete hormones into the blood.

Hypothalamic-pituitary axis

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

Limbic system

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

Muscles of the upper arm

The arms are moved by flexor and extensor muscles.

Neurons, nervous tissue

Neurons are cells specialised for transmitting electric signals.

Structure of skeletal muscles

This animation demonstrates the fine molecular structure and mechanism of muscles.

Synaptic transmission

Neurons transmit electrical signals via chemical and electrical synapses.

The heart

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

The Human Body - for Kids

This scene summarizes the main organs of the human body.

Vertebrate brain evolution

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

Žmogaus kūnas (vyro)

Šioje animacijoje vaizduojamos svarbiausios žmogaus kūno sistemos.

Body parts

This animation introduces body parts on a male anatomical model.

Parts of the human body

This animation demonstrates the parts of the head, the torso and the limbs.

The sense of balance

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

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