There are four gas giants<span> in our Solar System – Jupiter, Saturn, Uranus, and Neptune. The </span>gas giants<span> in our Solar Systems have a number of similar </span>characteristics<span>.
hope dis helps</span>
I believe your answer would be, it is a non-steroid hormone
Answer:
Spinach is the most nutrient dense green out there.
I know this because I learned it.
Answer:
By action potential nerve contract the muscle
Explanation:
The muscle contract when the nervous system sends action potential to the muscle. So the nervous system delivers signal to muscle, the first signal reaches the neuromuscular junction. The signals are passed by a chemical messenger called neurotransmitter release by motor neurons, the chemicals bring reaction and shorten the muscle fibre. When neurotransmitter are absent or reduce in concentration the process reverse and muscle relax again.