Answer:
Its based on their physical properties
Explanation:
Answer:
What were you suppose to do?
Answer: C. The heart rate gets faster.
Explanation:
its true also give brainliest
Answer:
When calcium concentration increases during depolarization, it shifts the conformation of troponin and tropomyosin, and actin is able to associate with myosin. As calcium is taken up again by the sarcoplasmic reticulum the muscle cell relaxes.
The other answer is wrong. It would be pollution. Hope this helps you!
