Catabolism (a form of metabolism in which cells are breaking down larger units into smaller units).
Another answer is cellular respiration
Water.
Osmosis is the movement of water.
Hope this helps!
<h2>Answer</h2>
The parasympathetic neurotransmitter at target organs is <u>acetylcholine</u><u>.</u>
<h3>#CarryOnLearning</h3>

As you can see in the picture presented below, the three classes of water have distinctive traits.
Pure substances contain only one element, they are not mixtures of different things.
The homogeneous mixtures have multiple elements, but they are so well blended together that you can't easily observe or separate them.
In heterogeneous mixtures, we can easily differentiate between different elements of the mixture.
Its stabilising. Since the selection pressure is against the extremes which are the normal blood and the sickle cell anaemia.