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Endocarditis. The human heart has been sectioned to reveal the left ventricle and origin of the aort
Earth’s history is divided into nested sets of time--eons, eras, periods, and epochs--and is called
Socrates (470–399 B.C.E.) was an Ancient Greek philosopher often called the "father of ...
Children with disabilities used to be sent to special schools. In a process called mainstreaming or ...
Some ignition coils are electrically connected, called married (top figure), whereas others use ...
The nucleus is bounded by a double membrane called the nuclear envelope