Answer:
A)Tetrapods were no longer tied to the water for reproduction. B) Tetrapods could now function with just lungs.
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.
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<span>She should mention the effect of nicotine on vasoconstriction. When nicotine is ingested, it can cause blood vessels in the peripheries to narrow and leads to an increase in blood pressure. This can lead to any number of deleterious outcomes, such as hypertension and heart disease.</span>
The two types of cell transportation are as follows: active transportation, where energy is used, and passive transportation, where no energy is used