Too Much of a Good Thing. The vitamin A content in beef liver is very high, with 100 grams of raw liver containing over three times the recommended daily value. As a fat-soluble vitamin, vitamin A accumulates in your own liver and can cause serious health issues at high levels.
Acetylcholine is released when a nerve impulse reaches a myoneural junction. It diffuses across the synaptic cleft and binds to cholinergic receptors on the muscle fibers, causing them to contract. cholinesterase splits acetylcholine into its components, thus stopping stimulation of the muscle fibers.
Merge this question into. Split and merge into it. Answer by Amaroque. Confidence votes 11.3K. Acetylcholine (ACh) is the neurotransmitter that passes from neuron to muscle cells and it causes the Na/K channels to open allowing Na+ to flow into the cell triggering an action potential.nswer this questWhen the motor neuron releases acetylcholine into  the neuromuscular junction, the acetylcholine binds to receptors in  the muscle fiber that allows positiv â¦ ely charged ions to enter the  muscle fiber, which results in the muscle fiber contracting. 3 people found this useful.