A) epidermis is the correct answer.
The best answer would be the third option. Extended joints is a possible result of low levels of activity caused by being overweight. Being overweight, adds more pressure on your body parts which could lead to diseases that involve the joints. The most common is arthritis. More weight means more pressure on our joints especially on the lower part of the body.
Answer: when you hit a soccer ball you want to hit with the top of your foot which gives you more power. you do not want to hit the ball with your toes because you could break your toes.