Physical health, mental health, and social health
A developing human baby is called a fetus
<span>As an action potential reaches a muscle cell, it triggers calcium to release from the sarcoplasmic reticulum of the cells. The calcium ions then flow into the cytoplasm and bind to the troponin and tropomyosin molecules in the actin filaments of the muscle cells.</span>
<u>Yes, they are:</u>
1. Go to sleep early so that you can wake up early without having to over-sleep in the morning.
2. Wash your face, and eat breakfast so that your face is clean, and you have enough energy to focus in school.
3. Get your paper, pencils etc, a few minutes before school so that you don't have to waste time during school while doing a test, assignment etc.
4. Don't waste time playing video games before virtual school so that when you are doing your assignment/test you can concentrate instead of thinking about that game.
5. Do your homework at a considerable time of the day so that you don't have to do it in the night and not get enough sleep.
