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Extremities

The upper arm

The area of ​​the upper extremities (arms) between the shoulder and elbow is defined as the upper arm. Its bone structure only includes the humerus, which is a large tubular bone at the upper end with the bone head in the socket of the shoulder blade and at the lower end forms the elbow joint together with the ulna and spoke.
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News

Psychological consequences: How much violence can shape viewers

Violent life has a lasting impact on the brain structure Brawls, shootings and break-ins - even if many in Germany are spared from this, an international team of researchers has found that the impression of violence alone has an impact on the brain structure of adolescents. Apparently, indirect experiences of violence can have a negative impact on brain development.
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