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Articles

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

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

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

Digestive system

Stomach: anatomy, sections and secretion

A muscular reservoir with hydrochloric acid inside - how the stomach works, what happens in it and why it does not digest itself.

Stomach: anatomy, sections and secretion

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

Urinary system: from nephron to urethra

The complete path of urine is from glomerular filtration in the kidney through the ureters and bladder to excretion from the body.

Urinary system: from nephron to urethra

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

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

Cardiovascular system

Heart: anatomy, chambers, valves and conduction system

A muscle pump weighing 300 g, delivering 100,000 beats per day. Four chambers, four valves and its own electrical system.

Heart: anatomy, chambers, valves and conduction system

Muscular system

Neck muscles: anatomy, groups and clinical significance

The neck is the most complex area of ​​the body, where muscles, nerves and blood vessels are located extremely compactly. We analyze all muscle groups.

Neck muscles: anatomy, groups and clinical significance

Skeletal system

Anatomy of the forearm: bones, muscles, ligaments and clinical aspects

Radius and ulna bones, interosseous membrane, flexor and extensor muscles - a complete analysis of the anatomy of the forearm.

Anatomy of the forearm: bones, muscles, ligaments and clinical aspects

Muscular system

Human muscular system: classification, structure, functions

How skeletal muscles are structured, by what principle they are classified and why their study is important for medicine and sports.

Human muscular system: classification, structure, functions

Muscular system

Diaphragm: the body's main breathing muscle

The diaphragm separates the thoracic and abdominal cavities and provides 70% of the inspiratory volume. We analyze the anatomy, holes and pathologies.

Diaphragm: the body's main breathing muscle