Muscular System Week 2

Aerobic respiration requires oxygen.

• True

• False

What is used after stored ATP is used up?

• anaerobic respiration

• creatine phosphate

• aerobic respiration

Aerobic respiration happens in the

• cytoplasm

• sarcoplasmic reticulum

• mitochondria

Aerobic respiration is used during periods of peak activity/bursts of power.

• True

• False

Anaerobic respiration makes less ATP than aerobic.

• True

• False

Which of the following is a result of anaerobic respiration?

• lactic acid buildup

• muscle soreness

• fatigue

Which type of fiber has many mitochondria?

• Fast

• Slow

Slow fibers appear white.

• True

• False

Which fibers fatigue most quickly?

• Fast

• Slow

Which fibers have the most myofibrils?

• Fast

• Slow