单选题 People with Alzheimer's disease are inclined to become more and more confused as the disease ______.

单选题 The human body is ______ because we have 2 eyes, 2 arms, and 2 legs, and they are very much alike.

单选题 The term "extracellular" is defined as "______ cells."

单选题 We often refer to cells (including "cellular division") because, in the end, the process leads from two ______ cells from a single cell.

单选题 The parts superior to, or immediately above, the ______.

单选题 The parts superior to, or immediately above, the ______.

单选题 The term "where chemical or electrical ______ must cross the gap and be carried to the dendrites of adjacent neurons."

单选题 Pathology is the branch of medicine focusing on the essential nature of the ______.

单选题 The part of the brain in which impulses originate is the ______.