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Articles

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

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

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

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

Brain: structure, sections and functions

The most complex organ - 86 billion neurons, five main sections and endless neural connections. Let's look at the anatomy of the brain.

Brain: structure, sections and functions

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

Nervous system

Spinal cord: structure, pathways and reflexes

A 45 cm long cord inside the spinal canal is a conductor between the brain and the body. We analyze segments, pathways and clinical aspects.

Spinal cord: structure, pathways and reflexes

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

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

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

Back muscles: superficial and deep layers

From the trapezius and latissimus to the short rotator cuffs, a complete breakdown of the back muscles, their functions and their relationship to posture.

Back muscles: superficial and deep layers

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

Skeletal system

Lower jaw: anatomy, structure and functions

The only movable bone of the skull is the lower jaw. We analyze its structure, muscles, innervation and clinical significance.

Lower jaw: anatomy, structure and functions