Answer:
4. all of the above
Explanation:
all of these are correct so...all of the above
I need apjc what?? i dont get
<span>In a neuron, the opening of sodium gates typically leads to open and allows the exit of sodium ions out the cell. The neuron that contains for why myelinated fibers conduct signals faster than unmyelinated fbers are the d</span>iffusion of ions along the axoplasm is faster. At the same time, a traveling wave of excitation is <span>a nerve signal.</span>
During stressful situations the sympathetic nervous system is activated <span />
Answer:
It has the right amount of all essential things.
Explanation:
has the right amount of oxygen, gravity, food resources and systems (photosynthesis, cellular respiration,etc.)
