Which of the following statements are true of the body's responses to exercise.(Select all that apply)?
A)Respiration increases to take in more O2 and exhale more CO2.
B)Heart rate increases to circulate more oxygenated blood to muscles.
C)Sweating increases because more heat is produced as the rate of cell respiration decreases.
D)The arteries to muscles dilate to carry more blood.

Question

Quizplus · Accepted Answer

During exercise, respiration increases to provide more oxygen to the working muscles and remove carbon dioxide. This requires an increase in heart rate to circulate the oxygenated blood. The arteries to the muscles also dilate to allow more blood flow, providing the muscles with additional oxygen and nutrients. Sweating, however, is not related to the rate of cell respiration, but rather helps regulate body temperature by evaporating moisture from the skin surface. Hence, option C is incorrect.

Which of the Following Statements Are True of the Body's