Q.1
When muscles are deprived of oxygen, how do they respire?
  • Aerobically
  • Acidly
  • Acerbically
  • Anaerobically
Q.2
What do muscle cells break down in order to release energy?
  • Protein
  • Glycogen
  • Cholesterol
  • Oxygen
Q.3
Which of the following is the stored form of glucose, found in the liver and muscles?
  • Glucagon
  • Glucagen
  • Glycogen
  • Glycose
Q.4
Which type of the blood vessel supplies blood to the muscles?
  • Lymph
  • Artery
  • Vein
  • Aorta
Q.5
Which of the following is a waste product of muscles respiring anaerobically?
  • Oxygen
  • Ammonia
  • Lactic acid
  • Carbon monoxide
Q.6
Which of the following statements is true of the blood leaving the muscles during exercise?
  • The blood leaving the muscles during exercise has more oxygen
  • The blood leaving the muscles during exercise has less water
  • The blood leaving the muscles during exercise has more carbon dioxide
  • The blood leaving the muscles during exercise has less nitrogen
Q.7
The rate and depth of breathing increases during exercise. This is in order to give the muscles more of what?
  • More oxygen
  • More carbon dioxide
  • More glycogen
  • More nutrients
Q.8
Blood supply to the respiring muscles increases during exercise. This is to supply the muscles with more of what?
  • More glucose
  • More carbon dioxide
  • More nitrogen
  • More water
Q.9
Which type of the blood vessel removes blood from the muscles?
  • Artery
  • Aorta
  • Vein
  • Lymph
Q.10
During exercise, what happens to the heart rate?
  • It decreases
  • It increases
  • It is unchanged
  • It decreases then increases
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