Sensations are sharpened via ________.

Spatial summation ________.

Cells placed in hypertonic solutions will ________.

The ________ separates the abdominal and thoracic cavities.

Chemicals that stimulate action potentials in postsynaptic cells are called ________.

Increased expression of ________ in the plasma membranes will promote the cellular uptake of glucose.

When a membrane only allows certain things to cross and not others we call this a _______ membrane.

The circulatory system is able to provide regulation of other body systems by circulating ________.

A thorough examination of the patient with a gunshot wound is most important because:

A pager is most accurately defined as a: