Would a substance that decreases membrane permeability to sodium increase or decrease the probability of generating an action potential? Why?

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.

the answer is z.

the human body has five levels of organization. level 1: cells. cells are the basic units of life and form the first level of organization. cells in the human body have specific functions. examples include nerve cells, blood cells, liver cells, and so on.

i think the answer is composed of atoms

answerblank(1); afferent neurons; blank(2); efferent neurons;