Answer:
Pollinators are critical for blackberries and raspberries, and countless other fruits of summer.
Explanation:
The neurotransmitter that functions to stimulate skeletal muscle cells to contract but slows contractions of the heart is acetylcholine.
<h3>What is a neurotransmitter?</h3>
A neurotransmitter is a chemical messenger that transmits information through nerve cells or neurons, and acetylcholine functions to contract smooth muscles.
In conclusion, the neurotransmitter that functions to stimulate skeletal muscle cells to contract but slows contractions of the heart is acetylcholine.
Learn more about neurotransmitters here:
brainly.com/question/26387085
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Phrenology is considered a pseudoscience because it lacks quality experiments. Since phrenology is the study of the brain by looking at the size and the shape of the skull, there is no biological proof through experiments.
Answer: it lacks qulality experiments
Credit to: @SociometricStar
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Answer:
Stem cells.
Explanation:
Stem cells are the undifferentiated and unspecialized cells. These cells have the ability to divide for indefinite periods. Due to their ability to divide, these cells can give rise to specialized cells. Therefore, the cells present in the mucosal surface of the gastrointestinal tract that has the ability to give rise to specialized cells are stem cells. These cells are required to replace the damaged cells with the new functional cells.
