✅ Перевірена відповідь на це питання доступна нижче. Наші рішення, перевірені спільнотою, допомагають краще зрозуміти матеріал.
Most of our skeletal muscle movements are smooth and fluid.
You could imagine how difficult it would be to drink a cup of coffee if all movements were done as a series of twitches. There probably wouldn’t be much liquid left in the cup by the time it reached your mouth!
Q. Which of the following do you think might contribute to making our movements occur smoothly?