How would you draw a pie chart of the organisms in a cheetah

But a pie chart about an animal is highly unlikely because a pie chart is used for math.

Explanation:

Pie charts are generally used to show percentage or proportional data and usually the percentage represented by each category is provided next to the corresponding slice of pie. Pie charts are good for displaying data for around 6 categories or fewer.(Just so you know what to add)

i believe it would be the lungs.

stress fractures occur largely in the feet and legs and are common in sports that require repetitive impact, primarily running/jumping sports such as gymnastics or track and field.