Answer: a nucleus is like a sun because it has planets surrounding it and it is the center of a solar system like a nucleus is the center of the cell. hope this helps you a little
Explanation:
For a liquid it can be clouds
Hey I can help! I'm taking the course right now. What is the question?
Answer:
excitable
Explanation:
All muscle types will respond to an electrical stimulus because all muscle cells are excitable.
Excitability is response of muscle to signal which delivered through the motor neuron.
Excitability is stretching of muscles.
The contraction and relaxation of muscle occur in following way:
Muscle contraction begins with signal. The contraction occur when nervous system send signals. The impulse which is called signal is travel through a motor neuron.
The whole process include following three steps:
1) Message is traveled from nervous to muscular system and trigger the chemical reaction.
2) This chemical reaction causes the muscle fibers to reorganize in such a way that shorter the length of them which is called contraction.
3) when this signal is no longer remain , reverse chemical process occur and muscles relax.
Answer:
Option D, to inform readers of the reasons why the Grimms collected their tales.
Explanation:
Edgeunity.
