The first choice because with rounded shoulders, your body is going to be tensed and won’t allow you to move as fast. If you put your hands on your chest, yes, your feeling your heart but you just don’t put your hands on your chest when running.
Your answer would be false because cells are actually the main building blocks of organs. Have an awesome day!!
Earth is approximately spherical in shape like all planets and stars. Earth is composed mostly of rock. Three-fourths of its surface is covered by a relatively thin layer of water (some of it frozen), and the entire planet is surrounded by a relatively thin blanket of air.
Answer:
No, its normal for a 15 year old boy to play sports
Explanation: