Gametes

The zygote is the initial cell formed when two gamete cells are joined by means of sexual reproduction.

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The human eye

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

Knee joint

The knee joint is made up by the femur, the tibia and the kneecap.

Types of synovial joints

Synovial joints can be categorised by the direction of movement they allow.

Effects of smoking on the lungs

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

Bones of the lower limbs

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

The human brain

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

Human muscles

Skeletal muscles form the active part of the locomotor system: they move the bones they...

The adrenal glands

The adrenal glands are responsible for maintaining homeostasis and producing a rapid...

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