Question

for the function and survival of cells.
3a. the gif below represents two neurons. what type of communication is this?
3b. in reference to the gif, what is the name of the signal/ message that neurons send?

Explanation:

3A: The image shows signals crossing a gap (synapse) between two neurons, which is chemical communication via neurotransmitters.
3B: Neurons transmit signals using chemical messengers released at synapses to communicate with other neurons.

Answer:

3A. Chemical synaptic communication (neuronal communication via synapse)
3B. Neurotransmitter (the chemical signal/message)