B because maybe he takes a break or go on his phone and he gets glued to his phone instead of doing his homework
- the majority of her job duties include writing individualized meal plans for people who come to her office. She most likely receives peoples with different types of illnesses or issues which need help in the form of a better diet. That is why Rita is there for.
The most common site of back pain is in the lumbar (lower back) area.
<span>Three benefits of exercise to the cardiovascular system are strengthening of the heart, improvement of the ability of the cardiovascular system to deliver oxygen to the muscles, and an increase in the number and size of mitochondria. Three benefits to the respiratory system are strengthening of the respiratory muscles, more surface areas to the lungs, and improves the ability of the blood to load and unload oxygen. Three benefits to the skeletal system are the bones become more dense, preventing osteoporosis, prevents bone loss in later years, and helps with good posture. Three benefits to the muscular system are improvement in strength, energy, and flexibility. </span>