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Articles

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

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

Skeletal system

Intervertebral disc: structure, hernias and protrusions

The shock absorber between the vertebrae is the nucleus pulposus, the fibrous ring and the mechanism of hernia formation.

Intervertebral disc: structure, hernias and protrusions

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

Skeletal system

Spine: 33 vertebrae, sections and functions

The supporting axis of the body is 33 vertebrae, 4 flexures, 23 intervertebral discs. Structure, sections and biomechanics of the spinal column.

Spine: 33 vertebrae, sections and functions

Muscular system

Chest muscles: pectoralis major, pectoralis minor and intercostal muscles

The pectoralis major and minor, intercostals and serratus anterior are the muscles that move the arm and expand the chest.

Chest muscles: pectoralis major, pectoralis minor and intercostal muscles

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

Cardiovascular system

Arteries and veins: structure of the vascular system

100,000 km of vessels permeate the body - from the aorta with a diameter of 3 cm to capillaries thinner than a hair. Structure of arteries, veins and capillaries.

Arteries and veins: structure of the vascular system

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

Digestive system

Intestine: small and large intestine

8 meters from the duodenum to the rectum is the main organ of absorption and formation of feces.

Intestine: small and large intestine

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

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