The human blood

Human blood consists of blood cells and plasma.

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Endocrine system

Glands of the endocrine system secrete hormones into the blood.

Adrenaline (epinephrine)

Adrenaline, also known as epinephrine, is a hormone produced in our bodies in stressful...

Bones of the upper limbs

Bones of the upper limbs form the pectoral girdle and the arms.

The human eye

The eye is one of our most important sense organs. When stimulated by light, electric...

Human skeleton

Our body´s internal support structure to which skeletal muscles are attached.

Vision correction

Concave and convex lenses are used for the correction of shortsightedness and farsightedness.

Structure of skeletal muscles

This animation demonstrates the fine molecular structure and mechanism of muscles.

Medical conditions of the spine

Scoliosis is a medical condition in which a person's spine has a lateral deviation.

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