The first ribs slope in which direction? a. medially
b. superiorly
c. laterally
d. inferiorly

In which direction is the pacific plate moving in relation to the north american plate?

What are the four basic classes of organic molecules how do they differ structurally and functionally

What initially causes a nerve impulse? release of enzymes out of the neuron movement of chemicals into the dendrites of the neuron pathogens attacking the dendrites of the neuron red blood cells bathing the neuron