Exploring sport online: Athletes and efficient hearts

2.7 A few final comments

The aim of this section was to introduce the basic elements of human biology and show you the different approaches and levels that we have to deal with when we consider the links between human biology, athletes and sport.

At this point, you should understand that in the human body:

• there are various systems of body parts that have different roles ? one example is the cardiovascular system
• we have to consider things as small as atoms and molecules and as large as the systems, organs and even the whole body.

Now we have this background, we can begin to relate the way that different parts of the body function in general with the way that they function during sport.

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