Match each definition in the first column to the correct term in the second column.
-Muscle fibers designed for endurance,contract slowly,and have a steady supply of energy.

Question

Quizplus · Accepted Answer

Slow twitch muscle fibers are designed for endurance, contract slowly, and have a steady supply of energy.

Answer: E 
 Fast twitch muscle fibers contract quickly and are suited for short bursts of intense activity.

Answer: C 
 Tendons are fibrous connective tissues that attach muscles to bones.

Answer: D 
 A muscle twitch is a brief contraction of muscle fibers in response to a stimulus.

Answer: J 
 Calcium ions are necessary for muscle contractions, as they trigger the binding of myosin and actin.

Answer: G 
 Myosin is a thick filament protein involved in muscle contraction.

Answer: K 
 Actin is a thin filament protein involved in muscle contraction.

Answer: F 
 Tropomyosin is a thin filament protein that helps regulate muscle contraction.

Answer: H 
 Troponin is a thin filament protein that helps regulate muscle contraction.

Answer: A 
 Lactic acid is a by-product of anaerobic metabolism and can contribute to muscle fatigue.

Match Each Definition in the First Column to the Correct