The electrochemical impulse is composed of an action potential travelling from the dendrite to the cell body to the axon of the neuron. The main neurotransmitter is acetylcholine which is released at either the synapse or the neuromuscular junction.
Canaliculi is the tear drainage channel that extends from the lacrimal
sac to the opening in the mucous membrane of the nose.
<span>Canaliculi is the
tiny channel in each eyelid that forms part of the tear drainage system. The passage
is called canaliculus. Several small ducts in the eye is lacrimal canaliculi.</span>
<span> </span>
I’m pretty sure it’s b only a guess
Life does exist in the Mariana Trench, even at its deepest spots. The organisms living here are mostly a wide variety amphipods, sea cucumbers, sea anemones, etc. These organisms survive mostly by feeding off of the dead living beings on the upper layers of the Trench, which fall down to the depths as a result of gravity.
A centriole looks like wafer sticks glued together to make a round long shape.
Hope I helped!
