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Articles

Study anatomy with educational materials about bones, muscles, nerves and other body systems.

Skeletal system

Hand: 27 bones, joints and muscles

27 bones and 34 muscles - a tool for precise movements from wrist to fingertips.

Hand: 27 bones, joints and muscles

Skeletal system

Cervical spine: atlas, axis and mobility

7 unique vertebrae - the atlas without a body, the axis with a tooth and the vertebral arteries that supply the brain.

Cervical spine: atlas, axis and mobility

Sensory organs

Eye: anatomy, optical system and vision

Optical system with 130 million photoreceptors - from the cornea to the visual cortex.

Eye: anatomy, optical system and vision

Skeletal system

Foot: arches, bones and step biomechanics

26 bones, three arches and complex biomechanics - how the foundation of the body is structured.

Foot: arches, bones and step biomechanics

Lymphatic system

Lymphatic system: lymph nodes, blood vessels and immunity

600 lymph nodes, thymus, spleen - protective network, tissue drainage and immune surveillance.

Lymphatic system: lymph nodes, blood vessels and immunity

Nervous system

Peripheral nerves: structure, classification and functions

43 pairs of nerves connect the central nervous system to every corner of the body. Cranial, spinal, vegetative - we analyze all types.

Peripheral nerves: structure, classification and functions

Urinary system

Bladder: structure and function

A reservoir with a volume of up to 500 ml with a triple muscle layer - how the bladder works and how urination works.

Bladder: structure and function

Cardiovascular system

Blood: composition, functions and cellular elements

5 liters of liquid tissue, 25 trillion red blood cells and hundreds of biochemical components. What is blood and how does it work.

Blood: composition, functions and cellular elements

Urinary system

Kidneys: structure, nephrons and blood filtration

Two bean-shaped organs filter 180 liters of blood per day. A million nephrons in each kidney - let's disassemble the device.

Kidneys: structure, nephrons and blood filtration

Respiratory system

Trachea and bronchi: airways from the larynx to the alveoli

Cartilaginous rings, ciliated epithelium and bifurcation - how the airways are structured and why they are so important.

Trachea and bronchi: airways from the larynx to the alveoli

Respiratory system

Lungs: anatomy, lobes, bronchial tree and gas exchange

The gas exchange area is 70 m², 300 million alveoli and 15,000 breaths per day. We disassemble the structure of the main respiratory organ.

Lungs: anatomy, lobes, bronchial tree and gas exchange

Respiratory system

Respiratory muscles: mechanism of inhalation and exhalation

The diaphragm, intercostal muscles and accessory muscles - how they work together to provide ventilation to the lungs.

Respiratory muscles: mechanism of inhalation and exhalation