The neurotransmitter, the impulse cannot be transmitted directly from the pre-synaptic neuron (sender) to the post-synaptic neuron ( receiver). Therefore a neurotransmitter is required to carry the message between these two, thus acting as a bridge.
Technically nothing. The extracellular medium that fills the synapse is mostly water with sodium, potassium, calcium and magnesium ions in it (along with a bunch of other stuff).
synaptic cleft
A neuron is a nerve cell. A synapse is a gap between the sending and receiving neurons, where there are neurotransmitters responsible for transporting chemicals to the receiving neuron. (A neurotransmitter is a chemical messenger.)
satellite
Cells of an organism tell each other when predators are nearby. :)
The synapse is the space between pre- and post-synaptic neurons
neurotransmitters
routers
routers
MS is multiple sclerosis, a disease that can be deadly.
A tube worm retreating from a predator.
the three elements of communication process are: -sender is the one who is sending the message. -receiver one who is receiving the message. -feedback to what are the aftereffects of your message.
the three elements of communication process are: -sender is the one who is sending the message. -receiver one who is receiving the message. -feedback to what are the aftereffects of your message.
You can't deny receiving or not receiving a message with non-repudiation; it only has to do with who the sender of the message was. Because there is a mathematical relationship between public and private keys, if a sender uses their private key to send a message and the receiver uses the sender's public key to read it, then non-repudiation says that the sender had to have sent that message, and no one else (because no one else has the key pair).
synaptic cleft
It can as long as you cancel it while it's sending. After it's sent, then it's impossible to stop it from getting to the person receiving it.
Yes. Noise can be anything distracting the sender or receiver from sending or receiving the message.
Packets relate to the sending and receiving of batches of data between two devices.