I only know a few but 2 cartalige is what ur nose and ears are made of its not bone 3 joints and ligaments help u move ur body 4 tendons connect muscles to bone and thats all i know i hopw that this helped u a little bit
Answer:
More oxygen is also going to the muscles. This means the heart beats fewer times per minute than it would in a nonathlete. However, an athlete's heart rate may go up to 180 bpm to 200 bpm during exercise. Resting heart rates vary for everyone, including athletes.
Explanation:
