When the neurotransmitters fill the receptors of the receiving neuron's dendrites, and they are excitatory, they encourage the receiving neuron to pass the signal on. if the excitatory signal is strong enough it triggers the receiving neuron to fire, passing the signal on. when the neurotransmitters trigger the receiving neuron to fire, it fires an electrical action potential

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. label the following topographic map. click on a label below the map to select it, and then click on the appropriate box on the map to place the label. (increments for contour lines is 50 ft).

Common symptoms of an iron-defiency anemia include muscle weakness shortness of breath and lightheadedness why does iron deficiency causes these symptoms

1. which of the following transport mechanisms utilizes energy? a. osmosis b. diffusion c. facilitated diffusion d. endocytosis