Answer:
A.
Explanation:
Ventilation and Respiration
Answer:
Only certain types of physical activity help to develop physical fitness. FALSE.
Explanation:
Physical fitness isn't something you achieve and forget about. Instead, it's a challenge we face each and every day. Your physical fitness is the sum of all the choices you make.
The answer is A. this is because he is giving his opinion that may be different from others' and it is rude to say that someone's idea is stupid.