During activities requiring aerobic endurance,
A) glycogen and glycolysis are the primary sources of reserve energy.
B) oxygen debts are common.
C) most of the muscle's energy is produced in mitochondria.
D) fatigue occurs in a few minutes.
E) oxygen is not required.
Answer: C
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Which of the following is represented by "B"?
A. Sphenoid bone B. Occipital bone C. Frontal bone D. Parietal bone E. Temporal bone
Which one of the following is NOT an advantage of chemical messengers over electrical signals?
A) Chemical molecules initiate faster responses. B) Chemical molecules can spread to all tissues. C) Chemical signals can persist longer. D) Different chemicals can target different tissues. E) All of the above are advantages.
Alex is participating in a 50-meter dash. Predict the most important chemical process his muscles will rely on during this race.
A. Both anaerobic respiration and creatine phosphate breakdown are correct. B. Anaerobic respiration C. Aerobic respiration D. Nuclear reactions E. Creatine phosphate breakdown
Stratified epithelial tissue provides little protection, but transports substances between the internal and external environments.
Answer the following statement true (T) or false (F)