Vitamins

How does our body gain access to the vitamins it needs?

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Parts of the human brain

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

Types of synovial joints

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

Human muscles

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

The human blood

Human blood consists of blood cells and plasma.

Muscles of the upper arm

The arms are moved by flexor and extensor muscles.

Thyroid gland

An important endocrine gland producing hormones that affect metabolism and the calcium...

Layers of the skin; cutaneous senses

The skin is the soft outer covering of our body, its three layers are the epidermis, the...

Heart attack

The cause of a heart attack is the blockage of a coronary artery. It is one the most...

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