DNA (Deoxyribonucleic Acid) is a molecule present in the nucleus of cells of all living things that carries all the genetic information of an organism. For this reason, we can say that in plants and mammals DNA is a nucleic acid that stores genetic information. This molecule is formed by a double stranded spiral (double helix) ribbon composed of nucleotides.
Wll first of all start a little hard to see how much would be the most your friend can do and then go slowly so that the muscle gets used to fast movement but especially with a correct diet that must follow step by step. I hope this works for you
It can be converted to thermal energy because our body produces heat when digesting our food. The chemical energy in our food can also be converted to mechanical energy in the form of muscle movement.
I think you did some activity where you kept track of your heart rate and based on your knowledge of the circulatory and respiratory system you need to explain how your heart rate changed and why your heart rate changed.
