Answer:
Explanation:
You need the respiratory system when you kick a ball because you need to be able to breath but if you are playing soccer this benefits the cardiovascular fitness level. Cardiovascular fitness is, according to the American Sports Medicine Institute, the efficiency of your heart, lungs and vascular system to deliver oxygen to your muscles to maintain activity.
Human because human is the only organism on the list!
Answer:
b
Explanation:
environmental factors play a very important role in the development of an individual
changes in latitude then lead to adaptation by an individual.....whereas some people who don't study biology still develop.