Explanation:
so there blood can go in and out of there arteries and ventricles
The answer is Cytoplasm.
The cytoplasm is describe as that refers to all cellular contents between the cell membrane and nucleus; consists of cytosol and organelles. The plasma membrane consists of structural components called phospholipids, proteins, and carbohydrates. Organelle is commonly referred to as the "powerhouses" of a cell called mitochondria.
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Answer:
neurotransmitter is released
Explanation:
A neuromuscular junction is defined as the chemical synapse between a muscle fiber and the motor neuron. When the neuromuscular junction are put into a sequence, the third event is released of the transmitter. The action potential depolarizes the terminal membrane
rushes in releasing the neurotransmitter.