An aphotic zone is a zone where light can be received from the sun (or other sources of light).
For example in the ocean, it will be the zone that begins a 200m deep and goes to the bottom of the sea.
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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:
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Answer:
The carbon cycle is nature's way of reusing carbon atoms, which travel from the atmosphere into organisms in the Earth and then back into the atmosphere over and over again. Most carbon is stored in rocks and sediments, while the rest is stored in the ocean, atmosphere, and living organisms.
Explanation:
"Body cells<span> are </span>body cells<span> or somatic </span>cells<span> are produced by mitosis. ... </span>Gametes are sex cells, so the egg and sperm. They are considered haploid because each gamete contains<span> half the number of chromosomes that an organism's somatic </span><span>cells will have" So Gamete has 23 Chromosomes</span>