The three C's (character, collateral, and capacity)
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: Those parts is were all the oxygen is distributed through the human body, and so technically it can be considered the respiratory system.
D allergies because most of the people go there and they have allergies