Eating healthy

The composition, operation and stamina of the human body and the way one feels greatly depend on diet. Let’s see how we can eat healthy every day.

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Oral cavity, pharynx and esophagus

The first section of the gastrointestinal tract comprises the oral cavity, the pharynx...

The ear and the mechanism of hearing

The ear converts the vibrations of air into electric signals which are then processed by...

Effects of smoking on the lungs

Smoking severely damages the respiratory system, it may cause COPD or lung cancer.

Color vision deficiency

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

Parts of the human brain

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

The upper gastrointestinal tract

During swallowing food travels from the mouth cavity into the stomach.

Bones of the lower limbs

Bones of the lower limbs are connected to the trunk by the pelvis.

Types of surface epithelium

Surface epithelia cover the external and internal surfaces of the body

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