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).
C meditation to calm the heart attacks so they don't kill her
Angina<span> (also called </span>angina pectoris<span>) is defined as: “a condition marked by severe pain in the chest, often also spreading to the shoulders, arms, and neck, owing to an inadequate blood supply to the </span>heart<span>.” A </span>heart attack<span> occurs when this same process lasts long enough to cause permanent damage to the </span>heart<span> muscle.</span>
Answer:
D is the answer to this question
The answer is B same sex marriages are increasing.
