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Arthroscopic surgery. In this illustration, the knee joint is undergoing surgery with a specialized
Play in Four Cultures Across cultures, play is the most common activity in early childhood. Source:
Dred Scott and his wife and children are featured on the cover of Frank Leslie’s Illustrated Newspap
Detonation is a secondary ignition of the air–fuel mixture. It is also called spark knock or ...
A thin cleft, called the synapse, separates one cell from another.
A nerve cell (neuron) has extensions called dendrites