1 Student will examine anatomy of the heart and the blood vessels. 2  Student will recognize differences and function of arteries versus veins. 3  Student will learn the circuit and travel of blood throughout the circulatory system.
In Baseball, Basketball, Football, Hockey, Sports. Comments. The average playing career for an NFL players is 3.5 years, the average MLB career is 5.6 years, the average NBA career is 4.8 years, and the average NHL career is 5.5 years.Playing in one of the major four American sports takes a toll on a personâs body that is nearly unfathomable.omments. The average playing career for an NFL players is 3.5 years, the average MLB career is 5.6 years, the average NBA career is 4.8 years, and the average NHL career is 5.5 years.
  Historically the average age of NHL players has moved roughly between 24 and 28 years depending on the player position.Typically, â¦ forwards have had a lower average age than the defense, and goalies have had the highest average age. Historically the average age of NHL players has moved roughly between 24 and 28 years depending on the player position.