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Diphtheria. The bacteria that cause this disease, called Corynebacterium diphtheriae, proliferate in
Eighteen-year-olds were the largest age cohort in the first year of the war in both armies. Soldiers
The upper intake manifold, often called a plenum, attaches to the lower intake manifold.
The main veins of the leg. A. Anterior view. B. Posterior view
A thin cleft, called the synapse, separates one cell from another.
A nerve cell (neuron) has extensions called dendrites