Support, Movement and Growth in Animals (13)

Science

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Human skull - cranial bones and facial bones

Ribs and sternum (1)

The human ribs consists of 12 pairs of ribs that are joined to the thoracic vertebra at the back

Ribs and sternum (2)

Seven pairs of ribs are attached to the sternum directly and three more ribs are indirectly connected by cartilage

Ribs and sternum (3)

Two more pairs (the last two) hang free

Function of ribs and sternum

To protect the main organs, that are the heart and the lungs

The number of bones a baby has at birth

275 bones

The number of bones an adult has

206 bones

Thoracic vertebrae

Sternum

Pectoral girdle (1)

There is a pair of pectoral girdles in the human body

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