Normally, the body's total expenditure of energy on breathing is about 3%. To what percentage can it increase in highly trained athletes during maximal intensity exercise?
a. 5%
b. 8%
c. 15%
d. 18%
Answer: C
Normally, the body's total expenditure of energy on breathing is about 3%. To what percentage can it increase in highly trained athletes during maximal intensity exercise?
a. 5%
b. 8%
c. 15%
d. 18%