The answer is the last sentence.
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).
Answer:
Explanation:
Because standards are ever-changing and there is always more to know, continual or additional education in an field is beneficial. There are many things we naturally know or learn and develop over a period of time, but formal education can solidify and enhance any caregiver's knowledge of child-care. For example, the caregiver can learn proper nutrition for a child to help them stay healthy, or better techniques to deal with conflicts with a child. The education does not have to specifically be geared towards child-care to be beneficial, such as learning first aid and CPR.
Answer:
Target heart rate is generally expressed as a percentage (usually between 50 percent and 85 percent) of your maximum safe heart rate. The maximum rate is based on your age, as subtracted from 220. At an 85 percent level of exertion, your target would be 145 beats per minute.
