The Work of Jonas Salk and ________ Virtually Eliminated Polio

question 73

Short Answer

The work of Jonas Salk and ________ virtually eliminated polio from much of the world by the early 1960s.

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Definitions:

Cilia

Microscopic, hair-like structures on the surface of cells that move in a wavelike manner to transport substances or facilitate movement.

Epiglottis

A leaf-shaped flap of cartilage located behind the tongue, at the top of the larynx, which prevents food and drink from entering the windpipe during swallowing.

Glottis

The opening between the vocal cords.

Pleura

The thin membrane that covers the lungs and lines the chest cavity, facilitating smooth respiratory movements.