Answer: Im not sure let me know if you figure out
Explanation:
Answer:
Because some exercises do not require some foods.
Its pushups because thats the only excircise you would be facing the floor on
Answer:
Foreign/Exotic species
Explanation:
If you are talking about introduced, think of foreigners but as animals.
The skeleton protects and brings form to a body. The muscles protect the skeleton e.g. the back muscles tightening to support and protect the lumbar and thoracic spine, the muscles also give movement to the skeleton e.g. the the pulling and tightening of muscles and tendons allow the skeleton to move. They complement each other perfectly.