Answer:
Calcium.
Explanation:
Muscle cells are the important for the body as they are involved in the bodily movement. Three different type of muscle are smooth muscle, cardiac muscle and skeletal muscle.
The sarcoplasmic reticulum contains the stored calcium in the muscle cell. The calcium is important ion that plays an important role in the muscle contraction. The actin and myosin protein functioning also depends on the the calcium ion.
Thus, the correct answer is option (B).
The function of the digestive system is to eliminate nondigestible waste.
once the digestive system has gotten all the nutrients it could from the food it turns it into waste and disposes of it.
Good Luck! :)
Yooooooooooo answer : yoooooooooooo
Adeline,
age 90, still drives her car to the senior center every Friday. Last
week she tells you that someone you know from her church died. When you
ask her for the person's name, she says, "I cant remember her name. She
sits near the front and always has a hat on." Clearly Adeline has better implicit memory than explicit memory.
